| photoelectrical | (adjective) of or pertaining to photoelectricity | Synonyms: photoelectric |
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| photoelectrically | (adverb) by photoelectric means | - |
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| photoelectricity | (noun) electricity generated by light or affected by light | - |
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| photometric | (adjective) of or relating to photometry | Synonyms: photometrical |
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| photometrical | (adjective) of or relating to photometry | Synonyms: photometric |
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| photometrically | (adverb) by photometric means | - |
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| photometrician | (noun) someone who practices photometry | Synonyms: photometrist |
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| physiatrics | (noun) therapy that uses physical agents: exercise and massage and other modalities | Synonyms: physical therapy, physiotherapy |
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| piezoelectric | (adjective) relating to or involving piezoelectricity | - |
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| piezoelectricity | (noun) electricity produced by mechanical pressure on certain crystals (notably quartz or Rochelle salt); alternatively, electrostatic stress produces a change in the linear dimensions of the crystal | Synonyms: piezo effect, piezoelectric effect |
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| pinprick | (noun) small puncture (as if made by a pin) | - |
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| (noun) a minor annoyance | - |
| plethoric | (adjective) excessively abundant | Synonyms: overabundant, rife |
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| pneumogastric | (adjective) of or relating to or involving the lungs and stomach | - |
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| (adjective) of or relating to the vagus nerve | Synonyms: vagal |
| (noun) a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera | Synonyms: nervus vagus, pneumogastric nerve, tenth cranial nerve, vagus, vagus nerve, wandering nerve |
| polymeric | (adjective) of or relating to or consisting of a polymer | - |
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| prefabricate | (verb) to manufacture sections of (a building), especially in a factory, so that they can be easily transported to and rapidly assembled on a building site of buildings | Synonyms: preassemble |
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| (verb) produce synthetically, artificially, or stereotypically and unoriginally | - |
| prefabrication | (noun) the manufacture of sections of a building at the factory so they can be easily and rapidly assembled at the building site | - |
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| prehistoric | (adjective) of or relating to times before written history | - |
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| (adjective) belonging to or existing in times before recorded history | Synonyms: prehistorical |
| (adjective) outdated | - |
| prehistorical | (adjective) belonging to or existing in times before recorded history | Synonyms: prehistoric |
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| prevaricate | (verb) be deliberately ambiguous or unclear in order to mislead or withhold information | Synonyms: beat around the bush, equivocate, palter, tergiversate |
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| prevarication | (noun) the deliberate act of deviating from the truth | Synonyms: fabrication, lying |
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| (noun) intentionally vague or ambiguous | Synonyms: equivocation, evasiveness |
| (noun) a statement that deviates from or perverts the truth | Synonyms: lie |
| prevaricator | (noun) a person who has lied or who lies repeatedly | Synonyms: liar |
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| price | (noun) the property of having material worth (often indicated by the amount of money something would bring if sold) | Synonyms: cost, monetary value |
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| (noun) the high value or worth of something | - |
| (noun) value measured by what must be given or done or undergone to obtain something | Synonyms: cost, toll |
| (noun) a monetary reward for helping to catch a criminal | - |
| (noun) the amount of money needed to purchase something | Synonyms: damage, terms |
| (noun) cost of bribing someone | - |
| (verb) ascertain or learn the price of | - |
| (verb) determine the price of | - |
| priceless | (adjective) having incalculable monetary, intellectual, or spiritual worth | Synonyms: invaluable |
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| pricelessness | (noun) the positive quality of being precious and beyond value | Synonyms: invaluableness, preciousness, valuableness |
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| pricey | (adjective) having a high price | Synonyms: costly, dear, high-priced, pricy |
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| pricing | (noun) the evaluation of something in terms of its price | - |
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| prick | (noun) the act of puncturing with a small point | Synonyms: pricking |
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| (noun) obscene terms for penis | Synonyms: cock, dick, pecker, putz, shaft, tool |
| (noun) insulting terms of address for people who are stupid or irritating or ridiculous | Synonyms: asshole, bastard, cocksucker, dickhead, mother fucker, motherfucker, shit, SOB, son of a bitch, whoreson |
| (noun) a depression scratched or carved into a surface | Synonyms: dent, incision, scratch, slit |
| (verb) make a small hole into, as with a needle or a thorn | Synonyms: prickle |
| (verb) deliver a sting to | Synonyms: bite, sting |
| (verb) stab or urge on as if with a pointed stick | Synonyms: goad |
| (verb) to cause a sharp emotional pain | - |
| (verb) to stick up | Synonyms: cock up, prick up |
| (verb) cause a stinging pain | Synonyms: sting, twinge |
| (verb) cause a prickling sensation | Synonyms: prickle |
| pricker | (noun) an awl for making small holes for brads or small screws | Synonyms: bradawl |
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| (noun) a small sharp-pointed tip resembling a spike on a stem or leaf | Synonyms: prickle, spikelet, spine, sticker, thorn |
| pricket | (noun) male deer in his second year | - |
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| (noun) a sharp metal spike to hold a candle | - |
| pricking | (noun) the act of puncturing with a small point | Synonyms: prick |
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| prickle | (noun) a small sharp-pointed tip resembling a spike on a stem or leaf | Synonyms: pricker, spikelet, spine, sticker, thorn |
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| (verb) make a small hole into, as with a needle or a thorn | Synonyms: prick |
| (verb) cause a stinging or tingling sensation | Synonyms: tingle |
| (verb) cause a prickling sensation | Synonyms: prick |
| prickleback | (noun) small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines | - |
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| (noun) small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research | Synonyms: stickleback |
| prickliness | (noun) the quality of being covered with prickly thorns or spines | Synonyms: bristliness, spininess, thorniness |
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| prickling | (noun) a somatic sensation as from many tiny stings | Synonyms: tingle, tingling |
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| prickly | (adjective) having or covered with protective barbs or quills or spines or thorns or setae etc. | Synonyms: barbed, barbellate, briary, briery, bristled, bristly, burred, burry, setaceous, setose, spiny, thorny |
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| (adjective) very irritable | Synonyms: bristly, splenetic, waspish |
| prickteaser | (noun) a seductive woman who uses her sex appeal to exploit men | Synonyms: coquette, flirt, minx, tease, vamp, vamper |
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| pricy | (adjective) having a high price | Synonyms: costly, dear, high-priced, pricey |
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| protogeometric | (adjective) characteristic of the earliest phase of geometric art especially in Greece | - |
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| psychiatric | (adjective) relating to or used in or engaged in the practice of psychiatry | Synonyms: psychiatrical |
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| psychiatrical | (adjective) relating to or used in or engaged in the practice of psychiatry | Synonyms: psychiatric |
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| psychometric | (adjective) of or relating to psychometrics | - |
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| psychometrics | (noun) any branch of psychology concerned with psychological measurements | Synonyms: psychometrika, psychometry |
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| pyloric | (adjective) relating to or near the pylorus | - |
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| pyroelectric | (adjective) relating to or exhibiting pyroelectricity | Synonyms: pyroelectrical |
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| pyroelectrical | (adjective) relating to or exhibiting pyroelectricity | Synonyms: pyroelectric |
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| pyroelectricity | (noun) generation of an electric charge on certain crystals (such as tourmaline) as a result of a change in temperature | - |
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| quadric | (noun) a curve or surface whose equation (in Cartesian coordinates) is of the second degree | Synonyms: quadric surface |
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| quadriceps | (noun) a muscle of the thigh that extends the leg | Synonyms: musculus quadriceps femoris, quad, quadriceps femoris |
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| redbrick | (adjective) of or relating to British universities founded in the late 19th century or the 20th century | Synonyms: red-brick |
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| refabrication | (noun) assembling again | Synonyms: reassembly |
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| relyric | (verb) write new lyrics for (a song) | - |
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| restrict | (verb) place limits on (extent or amount or access) | Synonyms: bound, confine, limit, throttle, trammel |
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| (verb) place restrictions on | Synonyms: curb, curtail, cut back |
| (verb) place under restrictions; limit access to by law | Synonyms: control |
| (verb) prevent (information) from being circulated or disclosed | - |
| restricted | (adjective) subject to restriction or subjected to restriction | - |
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| (adjective) the lowest level of official classification for documents | - |
| (adjective) restricted in meaning; (as e.g. `man' in `a tall man') | Synonyms: qualified |
| restricting | (adjective) restricting the scope or freedom of action | Synonyms: confining, constraining, constrictive, limiting |
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| restriction | (noun) an act of limiting or restricting (as by regulation) | Synonyms: limitation |
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| (noun) the act of keeping something within specified bounds (by force if necessary) | Synonyms: confinement |
| (noun) a principle that limits the extent of something | Synonyms: limitation |
| restrictive | (adjective) serving to restrict | - |
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| (adjective) (of tariff) protective of national interests by restricting imports | - |
| restrictively | (adverb) in a restrictive manner | - |
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| restrictiveness | (noun) a lack of permissiveness or indulgence and a tendency to confine behavior within certain specified limits | Synonyms: unpermissiveness |
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| (noun) a grammatical qualification that makes the meaning more specific (`red hat' has a more specific meaning than `hat') | - |
| rhetoric | (noun) study of the technique and rules for using language effectively (especially in public speaking) | - |
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| (noun) using language effectively to please or persuade | - |
| (noun) high-flown style; excessive use of verbal ornamentation | Synonyms: grandiloquence, grandiosity, magniloquence, ornateness |
| (noun) loud and confused and empty talk | Synonyms: empty talk, empty words, hot air, palaver |
| rhetorical | (adjective) given to rhetoric, emphasizing style at the expense of thought | - |
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| (adjective) of or relating to rhetoric | - |
| rhetorically | (adverb) in a rhetorical manner | - |
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| rhetorician | (noun) a person who delivers a speech or oration | Synonyms: orator, public speaker, speechifier, speechmaker |
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| rice | (noun) grains used as food either unpolished or more often polished | - |
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| (noun) annual or perennial rhizomatous marsh grasses; seed used for food; straw used for paper | - |
| (verb) sieve so that it becomes the consistency of rice | - |
| ricebird | (noun) migratory American songbird | Synonyms: bobolink, Dolichonyx oryzivorus, reedbird |
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| (noun) small finch-like Indonesian weaverbird that frequents rice fields | Synonyms: Java finch, Java sparrow, Padda oryzivora |
| ricegrass | (noun) any grass of the genus Oryzopsis | Synonyms: rice grass |
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| ricer | (noun) a kitchen utensil used for ricing soft foods by extruding them through small holes | - |
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| rich | (adjective) possessing material wealth | - |
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| (adjective) having an abundant supply of desirable qualities or substances (especially natural resources) | - |
| (adjective) suggestive of or characterized by great expense | - |
| (adjective) high in mineral content; having a high proportion of fuel to air | - |
| (adjective) causing indignation due to hypocrisy | - |
| (adjective) affording an abundant supply | Synonyms: ample, copious, plenteous, plentiful |
| (adjective) strong; intense | Synonyms: deep |
| (adjective) marked by great fruitfulness | Synonyms: fat, fertile, productive |
| (adjective) pleasantly full and mellow | - |
| (adjective) marked by richness and fullness of flavor | Synonyms: full-bodied, racy, robust |
| (adjective) containing plenty of fat, or eggs, or sugar | - |
| (adjective) of great worth or quality | - |
| (adjective) very productive | - |
| (noun) people who have possessions and wealth (considered as a group) | Synonyms: rich people |
| riches | (noun) an abundance of material possessions and resources | Synonyms: wealth |
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| richly | (adverb) in a rich and lavish manner | Synonyms: extravagantly, lavishly |
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| (adverb) in a rich manner | Synonyms: high, luxuriously |
| (adverb) to an ample degree or in an ample manner | Synonyms: amply |
| richness | (noun) a strong deep vividness of hue | - |
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| (noun) the property of a sensation that is rich and pleasing | Synonyms: fullness, mellowness |
| (noun) the property of producing abundantly and sustaining vigorous and luxuriant growth | Synonyms: fertility, prolificacy, rankness |
| (noun) the property of being extremely abundant | Synonyms: cornucopia, profuseness, profusion |
| (noun) splendid or imposing in size or appearance | Synonyms: grandness, impressiveness, magnificence |
| (noun) the quality of having high intrinsic value | - |
| (noun) abundant wealth | Synonyms: affluence |
| richweed | (noun) a plants of the genus Pilea having drooping green flower clusters and smooth translucent stems and leaves | Synonyms: clearweed, dead nettle, Pilea pumilla |
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| (noun) erect perennial strong-scented with serrate pointed leaves and a loose panicle of yellowish flowers; the eastern United States | Synonyms: Collinsonia canadensis, horse balm, horseweed, stone-root, stone root, stoneroot |
| ricin | (noun) a toxic protein extracted from castor beans; used as a chemical reagent; can be used as a bioweapon | Synonyms: ricin toxin |
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| rick | (noun) a stack of hay | Synonyms: hayrick, haystack |
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| (noun) a painful muscle spasm especially in the neck or back (`rick' and `wrick' are British) | Synonyms: crick, kink, wrick |
| (verb) twist suddenly so as to sprain | Synonyms: sprain, turn, twist, wrench, wrick |
| (verb) pile in ricks | - |
| ricketiness | (noun) the quality of not being steady or securely fixed in place | Synonyms: unsteadiness |
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| rickets | (noun) childhood disease caused by deficiency of vitamin D and sunlight associated with impaired metabolism of calcium and phosphorus | Synonyms: rachitis |
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| rickettsia | (noun) any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings | - |
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| rickettsial | (adjective) relating to or caused by rickettsias | - |
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| rickettsialpox | (noun) mild infectious rickettsial disease caused by a bacterium of the genus Rickettsia transmitted to humans by the bite a mite that lives on rodents; characterized by chills and fever and headache and skin lesions that resemble chickenpox | - |
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| rickettsiosis | (noun) infectious disease caused by ticks or mites or body lice infected with rickettsial bacteria | Synonyms: rickettsial disease |
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| rickety | (adjective) lacking bodily or muscular strength or vitality | Synonyms: debile, decrepit, feeble, infirm, sapless, weak, weakly |
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| (adjective) affected with, suffering from, or characteristic of rickets | Synonyms: rachitic |
| (adjective) inclined to shake as from weakness or defect | Synonyms: shaky, wobbly, wonky |
| rickey | (noun) a mixed drink made of sweetened lime juice and soda water usually with liquor | - |
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| rickrack | (noun) a narrow zigzag ribbon used as trimming | Synonyms: ricrac |
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| ricksha | (noun) a small two-wheeled cart for one passenger; pulled by one person | Synonyms: jinrikisha, rickshaw |
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| rickshaw | (noun) a small two-wheeled cart for one passenger; pulled by one person | Synonyms: jinrikisha, ricksha |
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| ricochet | (noun) a glancing rebound | Synonyms: carom |
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| (verb) spring back; spring away from an impact | Synonyms: bounce, bound, rebound, recoil, resile, reverberate, spring, take a hop |
| ricotta | (noun) soft Italian cheese like cottage cheese | - |
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| ricrac | (noun) a narrow zigzag ribbon used as trimming | Synonyms: rickrack |
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| rictus | (noun) a gaping grimace | - |
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| rubric | (noun) category name | - |
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| (noun) a title or heading that is printed in red or in a special type | - |
| (noun) an explanation or definition of an obscure word in a text | Synonyms: gloss |
| (noun) an authoritative rule of conduct or procedure | - |
| (noun) directions for the conduct of Christian church services (often printed in red in a prayer book) | - |
| (noun) a heading that names a statute or legislative bill; may give a brief summary of the matters it deals with | Synonyms: statute title, title |
| (verb) adorn with ruby red color | - |
| rubricate | (verb) sign with a mark instead of a name | - |
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| (verb) decorate (manuscripts) with letters painted red | Synonyms: miniate |
| (verb) furnish with rubrics or regulate by rubrics | - |
| (verb) place in the church calendar as a red-letter day honoring a saint | - |
| satiric | (adjective) exposing human folly to ridicule | Synonyms: satirical |
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| satirical | (adjective) exposing human folly to ridicule | Synonyms: satiric |
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| satirically | (adverb) in a satirical manner | - |
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| satyric | (adjective) of or relating to or having the characteristics of a satyr | Synonyms: satyrical |
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| satyrical | (adjective) of or relating to or having the characteristics of a satyr | Synonyms: satyric |
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| semiempirical | (adjective) relying to some extent on observation or experiment | - |
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| sericeous | (adjective) covered with fine soft hairs or down | Synonyms: downy, puberulent, pubescent |
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| sericterium | (noun) silk-producing gland of insects (especially of a silkworm) or spiders | Synonyms: serictery, silk gland |
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| serictery | (noun) silk-producing gland of insects (especially of a silkworm) or spiders | Synonyms: sericterium, silk gland |
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| sericultural | (adjective) of or relating to sericulture | - |
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