12-letter words containing i, s, p, y
- policymakers — a person responsible for making policy, especially in government.
- pollyannaish — an excessively or blindly optimistic person.
- pollyannaism — an excessively or blindly optimistic person.
- polycentrism — the doctrine that a plurality of independent centers of leadership, power, or ideology may exist within a single political system, especially Communism.
- polydisperse — of or noting a sol that contains particles of different sizes.
- polygamistic — a person who practices or favors polygamy.
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polyhedrosis — an often fatal disease of certain insect larvae or decapod crustaceans, caused by viruses containing DNA.
- polyhistoric — relating to a polyhistor
- polyisoprene — a thermoplastic polymer, (C 5 H 8) n , the major constituent of natural rubber and also obtained synthetically.
- polymorphism — the state or condition of being polymorphous.
- polymyositis — a disorder characterized by the inflammation of multiple muscles
- polyneuritis — inflammation of several nerves at the same time; multiple neuritis.
- polyomavirus — any of a genus (Polyomavirus) of papovaviruses that naturally infect wild and laboratory mice, and that cause tumors when injected into newborn mice
- polyribosome — polysome.
- polysaprobic — flourishing in a body of water having a heavy load of decomposed organic matter and almost no free oxygen
- polysiloxane — a polymer composed of silicon and oxygen atoms
- polystichous — arranged in rows or series.
- polysulphide — any sulphide of a metal containing divalent anions in which there are chains of sulphur atoms, as in the polysulphides of sodium, Na2S2, Na2S3, Na2S4, etc
- polysyllabic — consisting of several, especially four or more, syllables, as a word.
- polysynaptic — having or involving more than one synapse.
- polytheistic — pertaining to, characterized by, or adhering to polytheism, the doctrine that there is more than one god or many gods: Science thrived in the polytheistic culture of ancient Greece.
- porphyropsin — a purple pigment occurring in the retina of the eye of certain freshwater fishes
- positionally — in terms of position, from a positional point of view
- possessively — jealously opposed to the personal independence of, or to any influence other than one's own upon, a child, spouse, etc.
- post-primary — first or highest in rank or importance; chief; principal: his primary goals in life.
- post-pyloric — the opening between the stomach and the duodenum.
- postdelivery — of, relating to, or occurring after a delivery
- posteriority — the state or quality of being posterior.
- posthypnotic — of or relating to the period after hypnosis.
- postliminary — of or relating to postliminy
- postsphygmic — of or relating to the pulse.
- postsynaptic — being or occurring on the receiving end of a discharge across the synapse.
- praiseworthy — deserving of praise; laudable: a praiseworthy motive.
- praseodymium — a rare-earth, metallic, trivalent element, named from its green salts. Symbol: Pr; atomic weight: 140.91; atomic number: 59; specific gravity: 6.77 at 20°C.
- precariously — dependent on circumstances beyond one's control; uncertain; unstable; insecure: a precarious livelihood.
- precociously — unusually advanced or mature in development, especially mental development: a precocious child.
- prediscovery — a previous discovery
- prepsychotic — exhibiting behavior that indicates the approach of a psychotic reaction.
- presbyacusis — an age-related, progressive loss of hearing in both ears
- presbyterial — of or relating to a presbytery.
- presbyterian — pertaining to or based on the principle of ecclesiastical government by presbyters or presbyteries.
- presentially — in a presential way
- previsionary — having foresight
- proctoclysis — the slow, continuous introduction of a solution into the rectum to improve fluid intake.
- prodigiosity — the state or quality of being immense, extraordinary or astonishing
- prodigiously — extraordinary in size, amount, extent, degree, force, etc.: a prodigious research grant.
- profitlessly — in such a way as to not yield profit, as in financial gains or general benefits or advantages
- progymnasium — (in Europe) a school that prepares pupils for secondary education (the gymnasium)
- promissorily — (in law) in a promissory way