12-letter words containing a, p, e, r, i
- triphosphate — a salt derived from triphosphoric acid.
- triple cream — a fresh, soft cheese of France, containing at least 72 percent fat, made from cow's milk enriched with cream.
- triple-space — to type (copy) so as to leave two full spaces between lines
- tropicalised — to make tropical, as in character or appearance.
- tropicalized — to make tropical, as in character or appearance.
- trying plane — a plane with a long body for planing the edges of long boards
- trypaflavine — acriflavine hydrochloride.
- tryparsamide — a white, crystalline powder, C 8 H 10 O 4 N 2 AsNa·½H 2 , used chiefly in treating African sleeping sickness.
- twisted pair — A twisted pair is a pair of wires that are twisted together to reduce interference.
- twitterpated — excited or overcome by romantic feelings; smitten.
- typing paper — paper for typing on
- ultraprecise — extremely accurate
- underlapping — to extend partly under.
- underpassion — an underlying or subconscious passion
- undespairing — not despairing; not giving in to despair
- unimportance — a lack of importance
- united party — (formerly, in South Africa) the major opposition party, founded by General Smuts in 1934: the official Opposition in Parliament from 1948, the party was disbanded in 1977
- unpatronized — having few or no patrons
- unperishable — imperishable
- unpersuasive — not capable of persuading
- unpredicated — to proclaim; declare; affirm; assert.
- unprelatical — not befitting a prelate
- unprevailing — lacking force, not effective
- unproclaimed — to announce or declare in an official or formal manner: to proclaim war.
- unprofitable — being without profit; not showing or turning a profit: a series of unprofitable ventures.
- unreciprocal — given or felt by each toward the other; mutual: reciprocal respect.
- unrepairable — that cannot be repaired: Some old clocks are unrepairable.
- valve spring — a helical spring used to hold closed a valve in the cylinder head of an internal-combustion engine
- vanity press — a printing house that specializes in publishing books for which the authors pay all or most of the costs.
- vaporishness — the quality or state of being vaporish
- variocoupler — a transformer having coils with a self-impedance that is essentially constant but a mutual impedance that can be varied by moving one coil with respect to the other.
- velociraptor — a small carnivorous dinosaur of the genus Velociraptor , from the late Cretaceous period, capable of leaping, and growing to a length of about 6 feet (2 meters), having feathers, a flat snout, short forelimbs with large handlike talons, and a large sickle-shaped claw on each foot.
- vespertilian — of, relating to, or resembling a bat
- video piracy — the unauthorized or prohibited use of audio-visual works covered by copyright law, in a way that violates one of the copyright owner's exclusive rights, such as the right to reproduce the copyrighted work, or to make derivative works
- video player — VCR: videotape recorder
- videographer — a person who makes films with a video camera.
- viola player — someone who plays the viola
- vituperation — verbal abuse or castigation; violent denunciation or condemnation.
- vituperative — characterized by or of the nature of vituperation: vituperative remarks.
- vituperatory — abusive or blaming
- voting paper — a ballot.
- wallpapering — Present participle of wallpaper.
- warp-knitted — designating a fabric made by warp knitting.
- water pistol — a toy gun that shoots a stream of liquid.
- water spider — a Eurasian spider, Argyroneta aquatica, that spins a web in the form of an air-filled chamber in which it lives submerged in streams and ponds
- water sprite — a sprite or spirit inhabiting the water, as an undine.
- watering pot — a container for water, typically of metal or plastic and having a spout with a perforated nozzle, for watering or sprinkling plants, flowers, etc.
- watermanship — the skill, duties, business, etc., of a waterman.
- weaponeering — the act of fitting out with weapons
- weather ship — a ship equipped for meteorological observation.