| 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 | - |