12-letter words containing p, a, s, t, r
- arthroscopes — Plural form of arthroscope.
- arthroscopic — the use of an arthroscope to diagnose an injury to or disease of a joint or to perform minor surgery on a joint.
- arthrospores — an isolated vegetative cell that has passed into a resting state, occurring in bacteria and not regarded as a true spore.
- aspect ratio — the ratio of width to height of the picture on a television or cinema screen
- asphalt rock — a rock formation, usually of limestone or sandstone, containing large amounts of bitumens.
- aspirational — If you describe someone as aspirational, you mean that they have strong hopes of moving to a higher social status.
- astral plane — a plane of existence inhabited by astral bodies
- astrocompass — a navigational instrument for giving directional bearings from the centre of the earth to a particular star. It is carried in long-range aircraft, ships, spacecraft, etc
- astrophysics — Astrophysics is the study of the physical and chemical structure of the stars, planets, and other natural objects in space.
- at the press — being printed
- athwartships — from one side to the other of a vessel at right angles to the keel
- atmospherics — Atmospherics are elements in something such as a piece of music or a book which create a certain atmosphere.
- atmospherium — an optical system used to simulate images of atmospheric phenomena, as cloud formations, storms, and day and night, on the inside of a dome.
- 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.
- autoexposure — A device that sets the exposure automatically on a camera or other piece of equipment.
- automorphism — the practice of seeing others as having the same characteristics as oneself
- b-s particle — a neutral meson with a mass 10,507 times that of the electron and a mean lifetime of approximately 1.6 X 10 -12 seconds.
- bankruptcies — Plural form of bankruptcy.
- baptisteries — Plural form of baptistery.
- bathyspheres — Plural form of bathysphere.
- beamsplitter — Alternative spelling of beam splitter.
- bean sprouts — the sprouts of newly germinated mung beans, eaten as a vegetable, esp in Chinese dishes
- beauty strip — a narrow forest corridor left uncut alongside a road or body of water.
- blastosphere — blastula
- blister pack — a type of packet in which small items are displayed and sold, consisting of a transparent dome of plastic or similar material mounted on a firm backing such as cardboard
- 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
- breastplough — a plough driven by the worker's breast, often used to pare turf
- bright spark — If you say that some bright spark had a particular idea or did something, you mean that their idea or action was clever, or that it seemed clever but was silly in some way.
- buck's party — a party for men only, esp one held for a man before he is married
- bypass ratio — the ratio of the amount of air that bypasses the combustion chambers of an aircraft gas turbine to that passing through them
- candy stripe — a pattern of bright stripes of one color against a plain background, used chiefly in fabrics.
- capitularies — Plural form of capitulary.
- carpet grass — either of two grasses, Axonopus affinis or A. compressus, native to tropical and subtropical America.
- carpet shark — any of various sharks of the family Orectolobidae, having two dorsal fins and a patterned back, typically marked with white and brown
- carpet snake — a large nonvenomous Australian snake, Morelia variegata, having a carpetlike pattern on its back
- carpet tiles — small pieces of carpeting laid as tiles to cover a floor
- cash receipt — A cash receipt is a proof of purchase issued when the buyer has paid in cash.
- 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.
- catch phrase — a phrase that attracts or is meant to attract attention.
- catch-phrase — A catch-phrase is a sentence or phrase which becomes popular or well-known, often because it is frequently used by a famous person.
- catchphrases — Plural form of catchphrase.
- caterpillars — Plural form of caterpillar.
- caterpillers — Archaic spelling of caterpillarst; Plural form of caterpiller.
- cattleperson — Someone who works with, or rears cattle.
- ceratopsians — Plural form of ceratopsian.