17-letter words containing a, t, h, e, l, d
- thermal diffusion — the separation of constituents, often isotopes, of a fluid under the influence of a temperature gradient.
- thermal radiation — electromagnetic radiation emitted by all matter above a temperature of absolute zero because of the thermal motion of atomic particles.
- thermal underwear — underwear designed to retain body heat in cold temperatures.
- thiopental sodium — a barbiturate, C 11 H 18 N 2 NaO 2 S, used as an anesthetic in surgery and, in psychiatry, for narcoanalysis and to stimulate recall of past events.
- thousandths-place — last in order of a series of a thousand.
- thread-legged bug — any of certain insects of the family Reduviidae, characterized by an elongated, slender body and long frail legs, the front pair of which are raptorial.
- three mile island — an island in the Susquehanna River, near Middletown, Pennsylvania, SE of Harrisburg: scene of a near-disastrous accident at a nuclear plant in 1979 that raised the issue of nuclear-energy safety.
- three-dimensional — having, or seeming to have, the dimension of depth as well as width and height.
- three-legged race — a race among a number of paired contestants, each contestant having one leg tied to the adjacent leg of his or her partner.
- tibetan highlands — Tibet, Plateau of.
- to play the field — If someone plays the field, they have a number of different romantic or sexual relationships.
- transdermal patch — a small piece of material used to mend a tear or break, to cover a hole, or to strengthen a weak place: patches at the elbows of a sports jacket.
- trucial sheikdoms — an independent federation in E Arabia, formed in 1971, now comprising seven emirates on the S coast (formerly, Pirate Coast or Trucial Coast) of the Persian Gulf, formerly under British protection: Abu Dhabi, Dubai, Sharjah, Ajman, Umm al-Qaiwain, Ras al-Khaimah (joined 1972), and Fujairah. About 32,300 sq. mi. (83,657 sq. km). Capital: Abu Dhabi. Abbreviation: U.A.E.
- twelfth amendment — an amendment to the U.S. Constitution, ratified in 1804, providing for election of the president and vice president by the electoral college: should there be no majority vote for one person, the House of Representatives (one vote per state) chooses the president and the Senate the vice president.
- undistinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- undulatory theory — wave theory (def 1).
- veiltail goldfish — an artificially bred, indoor variety of goldfish, usually golden or calico and of a spheroid shape, having a fully divided, drooping tail fin exceeding the body in length.
- vulcan death grip — (jargon) A variant of Vulcan nerve pinch derived from a Star Trek classic epsisode where a non-existant "Vulcan death grip" was used to fool Romulans that Spock had killed Kirk.
- well-photographed — a picture produced by photography.
- white-tailed deer — a common North American deer, Odocoileus virginianus, having a tail with a white underside.
- white-tailed kite — an American kite, Elanus leucurus, having gray plumage with a white head, breast, and tail.
- withdrawal method — a method of contraception in which the man withdraws his penis from the woman's vagina before ejaculation
- yield the palm to — to acknowledge the superiority of; admit to defeat by
- youth-and-old-age — a stiff-growing, erect composite plant, Zinnia elegans, of Mexico, having large, solitary flowers with yellow-to-purple disks and usually red rays.