Glossary · Nouns · P
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TermTypeDefinitionClassificationsUpdated
Pervaporationnounthe concentration of a colloidal solution whose colloid will not pass through a semipermeable membraneverified
Pes CavusnounMWEa deformity of the foot characterized by an abnormally high arch and hyperextension of the toes which gives the foot the appearance of a clawverified
Peshmerganouna member of a Kurdish guerilla organization that fights for a free Kurdish stateverified
Pessarynouna contraceptive device consisting of a flexible dome-shaped cup made of rubber or plasticverified
Pessimismnouna general disposition to look on the dark side and to expect the worst in all thingsverified
Pestnouna 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 animalverified
Pestilencenouna 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 animalverified
Pestisnouna 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 animalverified
Pestonounan Italian sauce made up of basil, pine nuts, olive oil, and cheese; often served with pastaverified
Petcharynouna kingbird that breeds in the southeastern United States and winters in tropical Americaverified
Petcocknounregulator consisting of a small cock or faucet or valve for letting out air or releasing compression or drainingverified
Petechianouna minute red or purple spot on the surface of the skin as the result of tiny hemorrhages of blood vessels in the skinverified
Petit JurynounMWEa jury of 12 to determine the facts and decide the issue in civil or criminal proceedingsverified
Petit LarcenynounMWElarceny of property having a value less than some amount (the amount varies by locale)verified
Petit MalnounMWEepilepsy characterized by paroxysmal attacks of brief clouding of consciousness and possibly other abnormalitiesverified
Petit Mal EpilepsynounMWEepilepsy characterized by paroxysmal attacks of brief clouding of consciousness (and possibly other abnormalities)verified
Petitionernounsomeone who petitions a court for redress of a grievance or recovery of a rightverified
Petrarchan SonnetnounMWEa sonnet consisting of an octave with the rhyme pattern abbaabba, followed by a sestet with the rhyme pattern cdecde or cdcdcdverified
Petrifactionnounthe process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shapeverified
Petrificationnounthe process of turning some plant material into stone by infiltration with water carrying mineral particles without changing the original shapeverified
Petrolnouna volatile flammable mixture of hydrocarbons (hexane and heptane and octane etc.) derived from petroleumverified
Petrol BombnounMWEa crude incendiary bomb made of a bottle filled with flammable liquid and fitted with a rag wickverified
Petrol GagenounMWEgauge that indicates the amount of gasoline left in the gasoline tank of a vehicleverified
Petrol GaugenounMWEgauge that indicates the amount of gasoline left in the gasoline tank of a vehicleverified
Petrol PumpnounMWEa pump in a service station that draws gasoline from underground storage tanksverified
Petroleum FuturenounMWEpetroleum bought or sold at an agreed price for delivery at a specified future dateverified
Petroleum GeologynounMWEthe branch of economic geology that deals with the occurrence and exploitation of oil and gas fieldsverified
Petrologynounthe branch of geology that studies rocks: their origin and formation and mineral composition and classificationverified
Pettifoggernouna person (especially a lawyer or politician) who uses unscrupulous or unethical methodsverified
Petty ApartheidnounMWEracial segregation enforced primarily in public transportation and hotels and restaurants and other public placesverified