16-letter words containing a, p, e, n, t, i
- transport police — the national police force for railways in Britain, which protects rail operators, staff and passengers
- trial separation — an experimental period of living apart
- triphenylmethane — a colorless, crystalline, solid compound containing three benzene rings, C 19 H 16 , from which many dyes are derived.
- triple-expansion — noting a power source, especially a steam engine, using the same fluid at three successive stages of expansion to do work in three or more cylinders.
- tropic of cancer — Geography. either of two corresponding parallels of latitude on the terrestrial globe, one (tropic of Cancer) about 23½° N, and the other (tropic of Capricorn) about 23½° S of the equator, being the boundaries of the Torrid Zone. the tropics, the regions lying between and near these parallels of latitude; the Torrid Zone and neighboring regions.
- tropical cyclone — a cyclone that originates over a tropical ocean area and can develop into the destructive storm known in the U.S. as a hurricane, in the western Pacific region as a typhoon, and elsewhere by other names. Compare extratropical cyclone, hurricane (def 1), willy-willy.
- twelvepenny nail — a nail that is 3 1/4 inches (8.25 cm) long.
- ultracrepidarian — noting or pertaining to a person who criticizes, judges, or gives advice outside the area of his or her expertise: The play provides a classic, simplistic portrayal of an ultracrepidarian mother-in-law.
- unapologetically — containing an apology or excuse for a fault, failure, insult, injury, etc.: An apologetic letter to his creditors explained the delay.
- uncinate process — a curved, bony process on certain ribs of birds that projects backward and overlaps the succeeding rib, serving to strengthen the thorax.
- undercapitalized — having insufficient capital for the efficient operation of a commercial enterprise
- underpitch vault — a construction having a central vault intersected by vaults of lower pitch.
- unissued capital — authorized capital that has not yet been issued as shares
- unparticularized — to make particular.
- unpredictability — not predictable; not to be foreseen or foretold: an unpredictable occurrence.
- unrepresentative — a person or thing that represents another or others.
- upper palatinate — See under Palatinate (def 1).
- upsilon particle — the 20th letter of the Greek alphabet (Υ, υ).
- ventriculography — radiography of the ventricles of the heart after injection of a contrast medium
- washing-up water — water used for washing dishes
- water chinquapin — an American lotus, Nelumbo lutea, having pale-yellow flowers and an edible seed.
- water-base paint — latex paint.
- weatherstripping — A piece of weatherstrip material.
- white propaganda — propaganda that comes from the source it claims to come from
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty