12-letter words containing y, t, h
- physiologist — a specialist in physiology.
- physogastric — pertaining to the swollen, membranous abdomen of certain insects, especially termite and ant queens.
- physostomous — having the mouth and air bladder connected by an air duct.
- phytobenthos — microscopic plants that live in the bottom of the ocean
- phytobiology — the branch of biology dealing with plants.
- phytoclimate — the climate of a small area, as of confined spaces such as caves or houses (cryptoclimate) of plant communities, wooded areas, etc. (phytoclimate) or of urban communities, which may be different from that in the general region.
- phytogenesis — the origin and development of plants.
- phytographer — a botanist involved with plant description
- phytohormone — hormone (def 3).
- phytonadione — vitamin K1.
- phytophagous — herbivorous.
- phytophthora — any of a group of fungi of the genus Phytophthora, which cause a serious plant disease, especially affecting apple and pear trees and potatoes.
- phytotherapy — the use of plants and plant products for medicinal purposes
- play clothes — clothes that are suitable for playing in
- play therapy — a form of psychotherapy used chiefly with children, in which patients act out situations in play that are expressive of their emotional problems, conflicts, etc.
- play through — to pass another foursome or group with their permission, while playing a round of golf
- plymouth bay — a small, well-protected bay on the coast of Massachusetts; the first permanent European settlement in New England; founded by the Pilgrim Fathers.
- polychaetous — of or relating to the genus Polychaeta
- polycythemia — an abnormal increase in the number and concentration of circulating red blood corpuscles
- polycythemic — relating to polycythemia
- polyethylene — a plastic polymer of ethylene used chiefly for containers, electrical insulation, and packaging.
- polygraphist — an instrument for receiving and recording simultaneously tracings of variations in certain body activities.
- polyhistoric — relating to a polyhistor
- polyphyletic — developed from more than one ancestral type, as a group of animals.
- polyphyodont — having many successive sets of teeth, as fishes and other lower vertebrates
- polyrhythmic — the simultaneous occurrence of sharply contrasting rhythms within a composition.
- polystichous — arranged in rows or series.
- 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.
- polythiazide — a substance, C 1 1 H 1 3 ClF 3 N 3 O 4 S 3 , used as a diuretic in the management of edema and hypertension.
- polytriglyph — (in classical architecture) an intercolumniation of at least four triglyphs.
- polyurethane — a thermoplastic polymer containing the group NHCOO: used for padding and insulation in furniture, clothing, and packaging, and in the manufacture of resins for adhesives, elastomers, and fillers.
- posthumously — arising, occurring, or continuing after one's death: a posthumous award for bravery.
- posthypnotic — of or relating to the period after hypnosis.
- postsphygmic — of or relating to the pulse.
- praiseworthy — deserving of praise; laudable: a praiseworthy motive.
- prepsychotic — exhibiting behavior that indicates the approach of a psychotic reaction.
- prickly heat — a cutaneous eruption accompanied by a prickling and itching sensation, due to an inflammation of the sweat glands.
- proof theory — (logic) The branch of logic describing procedures for combining logical statements to show, by a series of truth-preserving transformations, that one statement is a consequence of some other statement or group of statements.
- prophylactic — defending or protecting from disease or infection, as a drug.
- prothonotary — a chief clerk or official in certain courts of law.
- protohistory — a branch of study concerned with the transition period between prehistory and the earliest recorded history.
- protosynthex — A query system for English text.
- psammophytic — relating to psammophytes
- 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.
- psychologist — a specialist in psychology.
- psychometric — Psychology. psychometrics.
- psychopathic — of, relating to, or affected with psychopathy.
- psychoticism — the state of being psychotic
- psychotronic — of or relating to a genre of usually low-budget movies that includes horror, fantasy, science-fiction, and underground films.