16-letter words starting with tr
- triboelectricity — electricity generated by friction.
- trichloromethane — chloroform (def 1).
- trichotillomania — a compulsion to pull out one's hair.
- trick photograph — a photograph that creates an illusion
- trick-or-treater — a person, typically a child, who goes from door to door in costume on Halloween asking for candy or other treats
- tricolored heron — an American heron, Hydranassa tricolor, that is dark bluish-gray above and white below with seasonally red neck stripes in the male.
- tridarn cupboard — a Welsh cupboard of the late 17th and 18th centuries, with an open, canopied upper section for display.
- tried-and-tested — recognized as reliable; found to be successful
- trigeminal nerve — of or relating to the trigeminal nerve.
- triiodothyronine — Biochemistry. a thyroid hormone, C 15 H 12 I 3 NO 4 , similar to thyroxine but several times more potent.
- trim one's sails — an area of canvas or other fabric extended to the wind in such a way as to transmit the force of the wind to an assemblage of spars and rigging mounted firmly on a hull, raft, iceboat, etc., so as to drive it along.
- trimethylglycine — betaine.
- trinitroglycerin — nitroglycerin.
- trinity brethren — the members of Trinity House
- 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.
- tristan da cunha — a group of four volcanic islands in the S Atlantic, belonging to St. Helena. 40 sq. mi. (104 sq. km).
- troop the colors — to parade the colors, or flag, before troops
- 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.
- trucking company — a company that transports goods by lorry
- true-heartedness — the quality of being true-hearted