12-letter words containing s, p, i, l, y
- perniciously — causing insidious harm or ruin; ruinous; injurious; hurtful: pernicious teachings; a pernicious lie.
- persistently — persisting, especially in spite of opposition, obstacles, discouragement, etc.; persevering: a most annoyingly persistent young man.
- persuasively — able, fitted, or intended to persuade: a very persuasive argument.
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- phycologists — the branch of botany dealing with algae.
- phylacteries — Judaism. either of two small, black, leather cubes containing a piece of parchment inscribed with verses 4–9 of Deut. 6, 13–21 of Deut. 11, and 1–16 of Ex. 13: one is attached with straps to the left arm and the other to the forehead during weekday morning prayers by Orthodox and Conservative Jewish men.
- phylogenesis — the development or evolution of a particular group of organisms.
- physicalness — of or relating to the body: physical exercise.
- physiologies — the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes.
- physiologist — a specialist in physiology.
- plain as day — obvious
- plastocyanin — a blue protein found in green plants and in some bacteria
- plausibility — having an appearance of truth or reason; seemingly worthy of approval or acceptance; credible; believable: a plausible excuse; a plausible plot.
- play it safe — a dramatic composition or piece; drama.
- 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.
- 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-pyloric — the opening between the stomach and the duodenum.
- postdelivery — of, relating to, or occurring after a delivery
- postliminary — of or relating to postliminy
- 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.
- presbyterial — of or relating to a presbytery.
- presentially — in a presential way
- proctoclysis — the slow, continuous introduction of a solution into the rectum to improve fluid intake.
- 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
- promissorily — (in law) in a promissory way
- propitiously — presenting favorable conditions; favorable: propitious weather.