17-letter words containing t, e, h, r, d
- therapeutic index — the ratio between the dosage of a drug that causes a lethal effect and the dosage that causes a therapeutic effect.
- 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.
- thermoperiodicity — the effect on an organism of rhythmic fluctuations in temperature.
- third commandment — “Thou shalt not take the name of the Lord thy God in vain”: third of the Ten Commandments.
- third-degree burn — a burned place or area: a burn where fire had ripped through the forest.
- thread escutcheon — a raised metal rim around a keyhole.
- 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-day eventer — a rider or horse that takes part in three-day eventing
- 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.
- throat sweetbread — sweetbread (def 2).
- to keep your head — If you keep your head, you remain calm in a difficult situation. If you lose your head, you panic or do not remain calm in a difficult situation.
- to strike a chord — If something strikes a chord with you, it makes you feel sympathy or enthusiasm.
- to the bitter end — If you say that you will continue doing something to the bitter end, especially something difficult or unpleasant, you are emphasizing that you will continue doing it until it is completely finished.
- to the nth degree — If something is done to the nth degree, it is done to an extreme degree.
- toothbrush holder — a container or rack in a bathroom where toothbrushes are kept when not in use
- 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.
- triskaidekaphobia — fear or a phobia concerning the number 13.
- 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.
- try one's hand at — to attempt (to do something), esp. for the first time
- under the counter — (of merchandise) sold clandestinely.
- under the sign of — during that portion of the year when the sun is passing through and thus subject to the influence of (a specified sign of the zodiac)
- under the weather — the state of the atmosphere with respect to wind, temperature, cloudiness, moisture, pressure, etc.
- under-the-counter — (of merchandise) sold clandestinely.
- undulatory theory — wave theory (def 1).
- 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.
- wheatstone bridge — a circuit for measuring an unknown resistance by comparing it with known resistances.
- white book cd-rom — (hardware, standard) A more open CD-ROM standard than Green Book CD-ROM. All films mastered on CD-ROM after March 1994 use White Book. Like Green Book, it is ISO 9660 compliant, uses mode 2 form 2 addressing and can only be played on a CD-ROM drive which is XA (Extended Architecture) compatible. White book CDs are labelled "Video CD".
- white-tailed deer — a common North American deer, Odocoileus virginianus, having a tail with a white underside.
- with a difference — If you describe a job or holiday, for example, as a job with a difference or a holiday with a difference, you mean that the job or holiday is very interesting and unusual.
- with bated breath — to moderate or restrain: unable to bate our enthusiasm.
- withdrawal method — a method of contraception in which the man withdraws his penis from the woman's vagina before ejaculation
- without prejudice — fairly
- without regard to — with no concern for
- world without end — for ever
- youthful offender — a young delinquent, especially a first offender, usually from 14 to 21 years old, whom the court tries to correct and guide rather than to punish as a criminal.