| placard | (noun) a sign posted in a public place as an advertisement | Synonyms: bill, card, notice, poster, posting |
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| placation | (noun) the act of placating and overcoming distrust and animosity | Synonyms: conciliation, propitiation |
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| place | (noun) a job in an organization | Synonyms: berth, office, position, post, situation |
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| (noun) the post or function properly or customarily occupied or served by another | Synonyms: lieu, position, stead |
| (noun) an abstract mental location | - |
| (noun) the passage that is being read | - |
| (noun) a blank area | Synonyms: blank space, space |
| (noun) an item on a list or in a sequence | Synonyms: position |
| (noun) a point located with respect to surface features of some region | Synonyms: spot, topographic point |
| (noun) a general vicinity | - |
| (noun) a public square with room for pedestrians | Synonyms: piazza, plaza |
| (noun) a space reserved for sitting (as in a theater or on a train or airplane) | Synonyms: seat |
| (noun) any area set aside for a particular purpose | Synonyms: property |
| (noun) the particular portion of space occupied by something | Synonyms: position |
| (noun) where you live at a particular time | Synonyms: home |
| (noun) proper or designated social situation | Synonyms: station |
| (noun) a particular situation | Synonyms: shoes |
| (noun) proper or appropriate position or location | - |
| placebo | (noun) (Roman Catholic Church) vespers of the office for the dead | - |
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| (noun) an innocuous or inert medication; given as a pacifier or to the control group in experiments on the efficacy of a drug | - |
| placeholder | (noun) a symbol in a logical or mathematical expression that can be replaced by the name of any member of specified set | - |
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| (noun) a person authorized to act for another | Synonyms: procurator, proxy |
| placekicker | (noun) (football) a kicker who makes a place kick for a goal | Synonyms: place-kicker |
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| placeman | (noun) a disparaging term for an appointee | Synonyms: placeseeker |
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| placement | (noun) the act of putting something in a certain place | Synonyms: emplacement, locating, location, position, positioning |
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| (noun) contact established between applicants and prospective employees | - |
| (noun) the spatial property of the way in which something is placed | Synonyms: arrangement |
| placenta | (noun) the vascular structure in the uterus of most mammals providing oxygen and nutrients for and transferring wastes from the developing fetus | - |
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| (noun) that part of the ovary of a flowering plant where the ovules form | - |
| placental | (noun) mammals having a placenta; all mammals except monotremes and marsupials | Synonyms: eutherian, eutherian mammal, placental mammal |
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| placentation | (noun) arrangement of the ovules in the placenta and of the placentas in the ovary | - |
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| (noun) the formation of the placenta in the uterus | - |
| placer | (noun) an alluvial deposit that contains particles of some valuable mineral | - |
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| placeseeker | (noun) a disparaging term for an appointee | Synonyms: placeman |
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| placidity | (noun) a disposition free from stress or emotion | Synonyms: quiet, repose, serenity, tranquility, tranquillity |
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| (noun) a feeling of calmness; a quiet and undisturbed feeling | Synonyms: placidness |
| placidness | (noun) a feeling of calmness; a quiet and undisturbed feeling | Synonyms: placidity |
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| placket | (noun) a piece of cloth sewn under an opening | - |
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| placoderm | (noun) fish-like vertebrate with bony plates on head and upper body; dominant in seas and rivers during the Devonian; considered the earliest vertebrate with jaws | - |
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| plage | (noun) the beach at a seaside resort | - |
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| plagiarisation | (noun) the act of plagiarizing; taking someone's words or ideas as if they were your own | Synonyms: piracy, plagiarism, plagiarization |
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| plagiariser | (noun) someone who uses another person's words or ideas as if they were his own | Synonyms: literary pirate, pirate, plagiarist, plagiarizer |
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| plagiarism | (noun) the act of plagiarizing; taking someone's words or ideas as if they were your own | Synonyms: piracy, plagiarisation, plagiarization |
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| (noun) a piece of writing that has been copied from someone else and is presented as being your own work | - |
| plagiarist | (noun) someone who uses another person's words or ideas as if they were his own | Synonyms: literary pirate, pirate, plagiariser, plagiarizer |
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| plagiarization | (noun) the act of plagiarizing; taking someone's words or ideas as if they were your own | Synonyms: piracy, plagiarisation, plagiarism |
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| plagiarizer | (noun) someone who uses another person's words or ideas as if they were his own | Synonyms: literary pirate, pirate, plagiariser, plagiarist |
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| plagiocephaly | (noun) congenital malformation of the skull in which the main axis of the skull is oblique | - |
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| plagioclase | (noun) any of a series of triclinic feldspars that form rocks | Synonyms: oligoclase |
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| plague | (noun) an annoyance | - |
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| (noun) any large scale calamity (especially when thought to be sent by God) | - |
| (noun) a swarm of insects that attack plants | Synonyms: infestation |
| (noun) a serious (sometimes fatal) infection of rodents caused by Yersinia pestis and accidentally transmitted to humans by the bite of a flea that has bitten an infected animal | Synonyms: pest, pestilence, pestis |
| (noun) any epidemic disease with a high death rate | Synonyms: pest, pestilence |
| plaice | (noun) large European food fish | Synonyms: Pleuronectes platessa |
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| (noun) flesh of large European flatfish | - |
| plaid | (noun) a cloth having a crisscross design | Synonyms: tartan |
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| plain | (noun) a basic knitting stitch made by putting the needle through the front of the stitch from the lefthand side | Synonyms: knit, knit stitch, plain stitch |
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| (noun) extensive tract of level open land | Synonyms: champaign, field |
| plainchant | (noun) (Roman Catholic Church) a liturgical chant consisting of a single, unaccompanied melodic line | Synonyms: plainsong |
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| plainclothesman | (noun) a detective who wears civilian clothes on duty | - |
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| plainness | (noun) the appearance of being plain and unpretentious | - |
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| (noun) an appearance that is not attractive or beautiful | Synonyms: homeliness |
| (noun) clarity as a consequence of being perspicuous | Synonyms: perspicuity, perspicuousness |
| (noun) the state of being unmixed with other material | - |
| plainsman | (noun) an inhabitant of a plains region (especially the Great Plains of North America) | - |
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| plainsong | (noun) (Roman Catholic Church) a liturgical chant consisting of a single, unaccompanied melodic line | Synonyms: plainchant |
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| plaint | (noun) a cry of sorrow and grief | Synonyms: lament, lamentation, wail |
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| (noun) (United Kingdom) a written statement of the grounds of complaint made to court of law asking for the grievance to be redressed | - |
| plaintiff | (noun) a person who brings an action in a court of law | Synonyms: complainant |
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| plaintiveness | (noun) expressing sorrowfulness | - |
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| plait | (noun) any of various types of fold formed by doubling fabric back upon itself and then pressing or stitching into shape | Synonyms: pleat |
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| (noun) a hairdo formed by braiding or twisting the hair | Synonyms: braid, tress, twist |
| plaiter | (noun) someone who plaits (hair or fabric etc.) | - |
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| plan | (noun) scale drawing of a structure | Synonyms: architectural plan |
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| (noun) a series of steps to be carried out or goals to be accomplished | Synonyms: program, programme |
| (noun) an arrangement scheme | Synonyms: design |
| planaria | (noun) free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts | Synonyms: planarian |
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| planarian | (noun) free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts | Synonyms: planaria |
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| planation | (noun) the process of erosion whereby a level surface is produced | - |
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| planchet | (noun) a flat metal disk ready for stamping as a coin | Synonyms: coin blank |
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| planchette | (noun) a triangular board supported on casters; when lightly touched with the fingertips it is supposed to spell out supernatural (or unconscious) messages | - |
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| plane | (noun) a carpenter's hand tool with an adjustable blade for smoothing or shaping wood | Synonyms: carpenter's plane, woodworking plane |
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| (noun) an aircraft that has a fixed wing and is powered by propellers or jets | Synonyms: aeroplane, airplane |
| (noun) a power tool for smoothing or shaping wood | Synonyms: planer, planing machine |
| (noun) (mathematics) an unbounded two-dimensional shape | Synonyms: sheet |
| (noun) a level of existence or development | - |
| planeness | (noun) the property of having two dimensions | Synonyms: flatness, two-dimensionality |
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| planer | (noun) a power tool for smoothing or shaping wood | Synonyms: plane, planing machine |
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| planet | (noun) (astronomy) any of the nine large celestial bodies in the solar system that revolve around the sun and shine by reflected light; Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto in order of their proximity to the sun; viewed from the constellation Hercules, all the planets rotate around the sun in a counterclockwise direction | Synonyms: major planet |
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| (noun) any celestial body (other than comets or satellites) that revolves around a star | - |
| (noun) a person who follows or serves another | Synonyms: satellite |
| planetarium | (noun) an apparatus or model for representing the solar systems | - |
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| (noun) an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome | - |
| (noun) a building housing an instrument for projecting the positions of the planets onto a domed ceiling | - |
| planetesimal | (noun) one of many small solid celestial bodies thought to have existed at an early stage in the development of the solar system | - |
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| planetoid | (noun) any of numerous small celestial bodies that move around the sun | Synonyms: minor planet |
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| plangency | (noun) having the character of a loud deep sound; the quality of being resonant | Synonyms: resonance, reverberance, ringing, sonority, sonorousness, vibrancy |
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| planimeter | (noun) a measuring instrument for measuring the area of an irregular plane figure | Synonyms: integrator |
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| plank | (noun) an endorsed policy in the platform of a political party | - |
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| (noun) a stout length of sawn timber; made in a wide variety of sizes and used for many purposes | Synonyms: board |
| planking | (noun) the work of covering an area with planks | - |
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| (noun) (nautical) a covering or flooring constructed of planks (as on a ship) | - |
| (noun) planks collectively; a quantity of planks | - |
| plankton | (noun) the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water | - |
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| planner | (noun) a notebook for recording appointments and things to be done, etc. | - |
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| (noun) a person who makes plans | Synonyms: contriver, deviser |
| planning | (noun) an act of formulating a program for a definite course of action | - |
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| (noun) the act or process of drawing up plans or layouts for some project or enterprise | - |
| (noun) the cognitive process of thinking about what you will do in the event of something happening | Synonyms: preparation, provision |
| planography | (noun) the process of printing from a surface on which the printing areas are not raised but are ink-receptive (as opposed to ink repellent) | Synonyms: planographic printing |
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| plant | (noun) (botany) a living organism lacking the power of locomotion | Synonyms: flora, plant life |
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| (noun) buildings for carrying on industrial labor | Synonyms: industrial plant, works |
| (noun) something planted secretly for discovery by another | - |
| (noun) an actor situated in the audience whose acting is rehearsed but seems spontaneous to the audience | - |
| plantain | (noun) starchy banana-like fruit; eaten (always cooked) as a staple vegetable throughout the tropics | - |
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| (noun) a banana tree bearing hanging clusters of edible angular greenish starchy fruits; tropics and subtropics | Synonyms: Musa paradisiaca, plantain tree |
| (noun) any of numerous plants of the genus Plantago; mostly small roadside or dooryard weeds with elliptic leaves and small spikes of very small flowers; seeds of some used medicinally | - |
| plantation | (noun) garden consisting of a small cultivated wood without undergrowth | Synonyms: grove, orchard, woodlet |
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| (noun) an estate where cash crops are grown on a large scale (especially in tropical areas) | - |
| planter | (noun) a decorative pot for house plants | - |
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| (noun) the owner or manager of a plantation | Synonyms: plantation owner |
| (noun) a worker who puts or sets seeds or seedlings into the ground | - |
| planthopper | (noun) related to the leafhoppers and spittlebugs but rarely damages cultivated plants | Synonyms: plant hopper |
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| plantigrade | (noun) an animal that walks with the entire sole of the foot touching the ground as e.g. bears and human beings | Synonyms: plantigrade mammal |
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| planting | (noun) the act of fixing firmly in place | - |
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| (noun) putting seeds or young plants in the ground to grow | - |
| (noun) a collection of plants (trees or shrubs or flowers) in a particular area | - |
| plantlet | (noun) a young plant or a small plant | - |
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| plantsman | (noun) an expert in the science of cultivating plants (fruit or flowers or vegetables or ornamental plants) | Synonyms: horticulturist |
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| planula | (noun) the flat ciliated free-swimming larva of hydrozoan coelenterates | - |
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| plaque | (noun) a memorial made of brass | Synonyms: brass, memorial tablet |
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| (noun) (pathology) a small abnormal patch on or inside the body | - |
| plash | (noun) the sound like water splashing | Synonyms: splash |
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| plasm | (noun) the protoplasm of the germ cells that contains chromosomes and genes | Synonyms: germ plasm |
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| (noun) the colorless watery fluid of the blood and lymph that contains no cells, but in which the blood cells (erythrocytes, leukocytes, and thrombocytes) are suspended | Synonyms: blood plasma, plasma |
| plasma | (noun) the colorless watery fluid of the blood and lymph that contains no cells, but in which the blood cells (erythrocytes, leukocytes, and thrombocytes) are suspended | Synonyms: blood plasma, plasm |
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| (noun) (physical chemistry) a fourth state of matter distinct from solid or liquid or gas and present in stars and fusion reactors; a gas becomes a plasma when it is heated until the atoms lose all their electrons, leaving a highly electrified collection of nuclei and free electrons | - |
| (noun) a green slightly translucent variety of chalcedony used as a gemstone | - |
| plasmablast | (noun) the precursor of a plasma cell | - |
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| plasmacyte | (noun) a cell that develops from a B lymphocyte in reaction to a specific antigen; found in bone marrow and sometimes in the blood | Synonyms: plasma cell |
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| plasmacytoma | (noun) neoplasm of plasma cells (usually in bone marrow) | - |
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| plasmapheresis | (noun) plasma is separated from whole blood and the rest is returned to the donor | - |
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| plasmid | (noun) a small cellular inclusion consisting of a ring of DNA that is not in a chromosome but is capable of autonomous replication | Synonyms: plasmid DNA |
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| plasmin | (noun) an enzyme that dissolves the fibrin of blood clots | Synonyms: fibrinolysin |
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| plasminogen | (noun) an inactive form of plasmin that occurs in plasma and is converted to plasmin by organic solvents | - |
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| plasmodium | (noun) parasitic protozoan of the genus Plasmodium that causes malaria in humans | Synonyms: malaria parasite, Plasmodium vivax |
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| (noun) multinucleate sheet of cytoplasm characteristic of some stages of such organisms as slime molds | - |
| plaster | (noun) adhesive tape used in dressing wounds | Synonyms: adhesive plaster, sticking plaster |
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| (noun) a surface of hardened plaster (as on a wall or ceiling) | Synonyms: plasterwork |
| (noun) a medical dressing consisting of a soft heated mass of meal or clay that is spread on a cloth and applied to the skin to treat inflamed areas or improve circulation etc. | Synonyms: cataplasm, poultice |
| (noun) a mixture of lime or gypsum with sand and water; hardens into a smooth solid; used to cover walls and ceilings | - |
| (noun) any of several gypsum cements; a white powder (a form of calcium sulphate) that forms a paste when mixed with water and hardens into a solid; used in making molds and sculptures and casts for broken limbs | Synonyms: plaster of Paris |
| plasterboard | (noun) wallboard with a gypsum plaster core bonded to layers of paper or fiberboard; used instead of plaster or wallboard to make interior walls | Synonyms: gypsum board |
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| plasterer | (noun) a worker skilled in applying plaster | - |
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| plastering | (noun) the application of plaster | Synonyms: daubing |
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| plasterwork | (noun) a surface of hardened plaster (as on a wall or ceiling) | Synonyms: plaster |
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| plastic | (noun) a card (usually plastic) that assures a seller that the person using it has sufficient means of payment and that the issuer will see to it that the seller receives payment for the merchandise delivered | Synonyms: charge card, charge plate |
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| (noun) generic name for certain synthetic or semisynthetic materials that can be molded or extruded into objects or films or filaments or used for making e.g. coatings and adhesives | - |
| plasticiser | (noun) a substance added to plastics or other materials to make them more pliable | Synonyms: plasticizer |
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| plasticity | (noun) the property of being physically malleable; the property of something that can be worked or hammered or shaped without breaking | Synonyms: malleability |
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| plasticizer | (noun) a substance added to plastics or other materials to make them more pliable | Synonyms: plasticiser |
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| plastid | (noun) any of various small particles in the cytoplasm of the cells of plants and some animals containing pigments or starch or oil or protein | - |
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| plastination | (noun) a process involving fixation and dehydration and forced impregnation and hardening of biological tissues; water and lipids are replaced by curable polymers (silicone or epoxy or polyester) that are subsequently hardened | - |
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| plastique | (noun) an explosive material that is easily molded around the object it is intended to destroy | Synonyms: plastic explosive |
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| plastron | (noun) (zoology) the part of a turtle's shell forming its underside | - |
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| (noun) a large pad worn by a fencer to protect the chest | - |
| (noun) a metal breastplate that was worn under a coat of mail | - |
| (noun) the front of man's dress shirt | - |
| (noun) the ornamental front of a woman's bodice or shirt | - |
| plat | (noun) a map showing planned or actual features of an area (streets and building lots etc.) | - |
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| platan | (noun) any of several trees of the genus Platanus having thin pale bark that scales off in small plates and lobed leaves and ball-shaped heads of fruits | Synonyms: plane tree, sycamore |
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| plate | (noun) dish on which food is served or from which food is eaten | - |
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| (noun) a metal sheathing of uniform thickness (such as the shield attached to an artillery piece to protect the gunners) | Synonyms: scale, shell |
| (noun) a sheet of metal or wood or glass or plastic | - |
| (noun) a shallow receptacle for collection in church | Synonyms: collection plate |
| (noun) (baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score | Synonyms: home, home base, home plate |
| (noun) structural member consisting of a horizontal beam that provides bearing and anchorage | - |
| (noun) a full-page illustration (usually on slick paper) | - |
| (noun) a flat sheet of metal or glass on which a photographic image can be recorded | Synonyms: photographic plate |
| (noun) the positively charged electrode in a vacuum tube | - |
| (noun) a dental appliance that artificially replaces missing teeth | Synonyms: dental plate, denture |
| (noun) any flat platelike body structure or part | - |
| (noun) a main course served on a plate | - |
| (noun) the thin under portion of the forequarter | - |
| (noun) a rigid layer of the Earth's crust that is believed to drift slowly | Synonyms: crustal plate |
| (noun) the quantity contained in a plate | Synonyms: plateful |
| plateau | (noun) a relatively flat highland | Synonyms: tableland |
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