Glossary · Nouns · P
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TermTypeDefinitionClassificationsUpdated
Politiciannouna schemer who tries to gain advantage in an organization in sly or underhanded waysverified
Poll TaxnounMWEa tax of a fixed amount per person and payable as a requirement for the right to voteverified
Pollennounthe fine spores that contain male gametes and that are borne by an anther in a flowering plantverified
Pollen CountnounMWEthe number of pollen grains (usually ragweed) in a standard volume of air over a twenty-four hour period and a specified time and placeverified
Pollen TubenounMWE(botany) a slender tubular outgrowth from a pollen grain when deposited on the stigma for a flowerverified
Polling BoothnounMWEa temporary booth in a polling place which people enter to cast their votesverified
Pollutionnounundesirable state of the natural environment being contaminated with harmful substances as a consequence of human activitiesverified
Polonouna game similar to field hockey but played on horseback using long-handled mallets and a wooden ballverified
Polo ShirtnounMWEa shirt with a collar and short sleeves, designed for comfort and casual wearverified
Polonaisenouna woman's dress with a tight bodice and an overskirt drawn back to reveal a colorful underskirtverified
Poltergeistnouna ghost that announces its presence with rapping and the creation of disorderverified
Polyarteritis NodosanounMWEa progressive disease of connective tissue that is characterized by nodules along arteriesverified
Polychaetenounchiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristlesverified
Polychaete WormnounMWEchiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristlesverified
Polychetenounchiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristlesverified
Polychete WormnounMWEchiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristlesverified
Polyconic ProjectionnounMWEa conic projection of a map having distances between meridians equal to those distances on a globeverified
Polycystic Kidney DiseasenounMWEkidney disease characterized by enlarged kidneys containing many cystsverified
Polycythemianouna disorder characterized by an abnormal increase in the number of red blood cells in the bloodverified
Polydactylynounbirth defect characterized by the presence of more than the normal number of fingers or toesverified
Polyesternouna complex ester used for making fibers or resins or plastics or as a plasticizerverified
Polyester FibernounMWEa quick-drying resilient synthetic fiber consisting primarily of polyesterverified
Polygenenouna gene that by itself has little effect on the phenotype but which can act together with others to produce observable variationsverified
Polygraphnouna medical instrument that records several physiological processes simultaneously (e.g., pulse rate and blood pressure and respiration and perspiration)verified
Polyhedral AnglenounMWEthe space enclosed by three or more planes that intersect in a vertexverified
PolyinstantiationnounPolyinstantiation is the ability of a database to maintain multiple records with the same key. It is used to prevent inference attacks.Control
Polymernouna naturally occurring or synthetic compound consisting of large molecules made up of a linked series of repeated simple monomersverified
Polymerasenounan enzyme that catalyzes the formation of new DNA and RNA from an existing strand of DNA or RNAverified
Polymerisationnouna chemical process that combines several monomers to form a polymer or polymeric compoundverified
Polymerizationnouna chemical process that combines several monomers to form a polymer or polymeric compoundverified
Polymorphnounan organism that can assume more than one adult form as in the castes of ants or termitesverified
PolymorphismnounPolymorphism is the process by which malicious software changes its underlying code to avoid detection.Threat
Polymyositisnounmyositis characterized by weakness of limb and neck muscles and much muscle pain and swellingverified
Polyneuritic PsychosisnounMWEdementia observed during the last stages of severe chronic alcoholismverified
Polyosenounany of a class of carbohydrates whose molecules contain chains of monosaccharide moleculesverified