12-letter words containing t, y, s, i
- phenocrystic — relating to a phenocryst
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- phrontistery — a place or establishment for thinking, studying, or learning
- 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.
- physiologist — a specialist in physiology.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- phytogenesis — the origin and development of plants.
- pig industry — the people and activities involved in making pork products
- pityrosporum — a genus of fungi that live on the skin, esp that of the scalp and face, present in conditions such as dandruff and dermatitis
- 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.
- pneumocystis — any protozoan of the genus Pneumocystis, esp P. carinii, which is a cause of pneumonia in people whose immune defences have been lowered by drugs or a disease
- point system — Printing. a system for grading the sizes of type bodies, leads, etc., that employs the point as a unit of measurement. Compare point (def 48a).
- polycentrism — the doctrine that a plurality of independent centers of leadership, power, or ideology may exist within a single political system, especially Communism.
- polygamistic — a person who practices or favors polygamy.
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polyhistoric — relating to a polyhistor
- polymyositis — a disorder characterized by the inflammation of multiple muscles
- polyneuritis — inflammation of several nerves at the same time; multiple neuritis.
- polystichous — arranged in rows or series.
- 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
- 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.
- prepsychotic — exhibiting behavior that indicates the approach of a psychotic reaction.
- 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
- 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
- profitlessly — in such a way as to not yield profit, as in financial gains or general benefits or advantages
- propitiously — presenting favorable conditions; favorable: propitious weather.
- prostacyclin — a prostaglandin, C 2 0 H 3 2 O 5 , that specifically inhibits the formation of blood clots.
- protensively — in the manner of duration
- protistology — the biology of the Protista.
- protohistory — a branch of study concerned with the transition period between prehistory and the earliest recorded history.
- psammophytic — relating to psammophytes
- pseudonymity — pseudonymous character.
- psychiatrist — a physician who practices psychiatry.
- psychoactive — of or relating to a substance having a profound or significant effect on mental processes: a psychoactive drug.