12-letter words containing t, r, o, p
- atomic power — nuclear power.
- attorneyship — The office or profession of an attorney.
- australopith — (archaeology, anthropology, paleonotology) Of or pertaining to the extinct hominid primates, of the genus Australopithecus, from the Pleistocene period.
- autapomorphy — (cladistics) A derived trait that is unique to a particular taxon.
- autoexposure — A device that sets the exposure automatically on a camera or other piece of equipment.
- autographing — Present participle of autograph.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- azathioprine — a synthetic drug that suppresses the normal immune responses of the body and is administered orally during and after organ transplantation and also in certain types of autoimmune disease. Formula: C9H7N7O2S
- ballot paper — A ballot paper is a piece of paper on which you indicate your choice or opinion in an election or ballot.
- baroreceptor — a collection of sensory nerve endings, principally in the carotid sinuses and the aortic arch, that monitor blood pressure changes in the body
- barrow point — the northernmost tip of Alaska, on the Arctic Ocean
- battle group — a group of warships usually consisting of at least one aircraft carrier, other surface ships, submarines, landing craft, etc
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- bipropellant — a rocket propellant consisting of two substances, usually a fuel and an oxidizer
- bird-spotter — a bird-watcher
- blastosphere — blastula
- blue pointer — a large shark, Isuropsis mako, of Australian coastal waters, having a blue back and pointed snout
- boating trip — a trip or holiday in a boat such as a sailing boat or canal boat
- bolt upright — If someone is sitting or standing bolt upright, they are sitting or standing very straight.
- bomber pilot — the pilot of a bomber
- boobytrapped — to set with or as if with a booby trap; attach a booby trap to or in.
- booster pump — A booster pump is a pump which is used where pressure is low and needs to be increased.
- boot-scraper — a contraption consisting of an upright metal shape formerly placed outside some houses to enable people to scrape the mud from their boots before going in
- bottle party — a party to which guests bring drink
- branch depot — one of a several depots receiving stock from the same central supplier
- branch point — Electricity. a point in an electric network at which three or more conductors meet.
- breastplough — a plough driven by the worker's breast, often used to pare turf
- breath group — a sequence of sounds articulated in the course of a single exhalation; an utterance or part of an utterance produced between pauses for breath.
- bullet-proof — Something that is bullet-proof is made of a strong material that bullets cannot pass through.
- butcher shop — a shop in which meat, poultry, and sometimes fish are sold.
- bypass ratio — the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them
- caloreceptor — a receptor stimulated by heat.
- camphor tree — a lauraceous evergreen E Asian tree, Cinnamomum camphora, whose aromatic wood yields camphor
- camphorating — Present participle of camphorate.
- canton crepe — a fine crinkled silk or rayon crepe fabric, slightly heavier than crepe de Chine
- cape ortegal — a cape in NW Spain, projecting into the Bay of Biscay
- capitulatory — the act of capitulating.
- cargo pocket — a large patch pocket, usually pleated at the sides and often having a flap.
- carpetmonger — a person who frequently visits women's boudoirs
- cartographer — A cartographer is a person whose job is drawing maps.
- cartographic — Of or pertaining to the making of maps.
- catadioptric — involving a combination of reflecting and refracting components
- cataphoreses — Plural form of cataphoresis.
- cataphoresis — electrophoresis
- catastrophal — (rare) Catastrophic.
- catastrophes — Plural form of catastrophe.
- catastrophic — Something that is catastrophic involves or causes a sudden terrible disaster.
- cathodograph — a picture taken using cathode rays
- cattleperson — Someone who works with, or rears cattle.
- centrosphere — the portion of the centrosome surrounding the centriole; center of an aster