17-letter words containing h, r, d, i, a
- rhodope mountains — a mountain range in SE Europe, in the Balkan Peninsula extending along the border between Bulgaria and Greece. Highest peak: Golyam Perelik (Bulgaria), 2191 m (7188 ft)
- richard arkwright — Sir Richard, 1732–92, English inventor of the spinning jenny.
- right in the head — sane
- rubarth's disease — a common, rapidly progressing viral hepatitis of dogs and other carnivores, often confused with canine distemper.
- russian wolfhound — borzoi.
- sandringham house — a residence of the royal family, in Sandringham, a village in E England, in Norfolk near the E shore of the Wash
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
- simulated leather — fake leather that is an imitation of real leather and is usually made from a cheaper material
- sinbad the sailor — a merchant in The Arabian Nights who makes seven adventurous voyages
- sir arthur harden — Sir Arthur, 1865–1940, English biochemist: Nobel Prize 1929.
- smarandache logic — neutrosophic logic
- sodium bichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- sodium dichromate — a red or orange crystalline, water-soluble solid, Na 2 Cr 2 O 7 ⋅2H 2 O, used as an oxidizing agent in the manufacture of dyes and inks, as a corrosion inhibitor, a mordant, a laboratory reagent, in the tanning of leather, and in electroplating.
- south farmingdale — a town on central Long Island, in SE New York.
- southern rhodesia — a former name (until 1964) of Zimbabwe (def 1).
- spiny-headed worm — any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates.
- spruce gall aphid — any of various homopterous insects of the family Adelgidae, as Adelges abietis (spruce gall aphid) and Pineus pinifoliae (pine leaf aphid) that feed and form galls on conifers.
- stannous chloride — a white, crystalline, water-soluble solid, SnCl 2 ⋅2H 2 O, used chiefly as a reducing and tinning agent, and as a mordant in dyeing with cochineal.
- statutory holiday — a public holiday; a holiday all workers are entitled to
- straw in the wind — If you say that an incident or piece of news is a straw in the wind, you mean that it gives an indication of what might happen in the future.
- stymphalian birds — a flock of predacious birds of Arcadia that were driven away and killed by Hercules as one of his labors.
- teacher education — training to become a teacher, usually at an institution of higher education
- technical drawing — the study and practice, esp as a subject taught in school, of the basic techniques of draughtsmanship, as employed in mechanical drawing, architecture, etc
- terephthalic acid — a white, crystalline, water-insoluble solid, C 8 H 6 O 2 , the para isomer of phthalic acid: used chiefly in the manufacture of resins and textile fibers.
- the confederation — the original 13 states of the United States of America constituted under the Articles of Confederation and superseded by the more formal union established in 1789
- the driver's seat — the position of control or dominance
- the evil day/hour — If someone is putting off the evil day or the evil hour, they have to do something unpleasant and are trying to avoid doing it for as long as possible.
- the faint-hearted — people of a nervous disposition
- the silken ladder — a one-act opera by Rossini, telling the story of Giulia, who is secretly married to Dorvil; he visits her bedroom every night by climbing up a ladder made of silk. Giulia's guardian, Dormont, expects her to marry Blansac, but she introduces Blansac to her cousin Lucilla; after much confusion, the two couples are joyfully united
- the tabloid press — (considered as a whole) newspapers with pages about 30 cm (12 inches) by 40 cm (16 inches), usually characterized by an emphasis on photographs and a concise and often sensational style
- 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.
- thiosulfuric acid — an acid, H 2 S 2 O 3 , that may be regarded as sulfuric acid with one oxygen atom replaced by sulfur.
- third commandment — “Thou shalt not take the name of the Lord thy God in vain”: third of the Ten Commandments.
- 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.
- to strike a chord — If something strikes a chord with you, it makes you feel sympathy or enthusiasm.
- 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.
- vaginal discharge — emission from the female genitalia
- 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.
- wheatstone bridge — a circuit for measuring an unknown resistance by comparing it with known resistances.
- white-tailed deer — a common North American deer, Odocoileus virginianus, having a tail with a white underside.
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.
- wind-chill factor — the apparent temperature felt on the exposed human body owing to the combination of temperature and wind speed.
- windscreen washer — a small nozzle on the bonnet of a motor vehicle, from which jets of water are squirted electronically onto the windscreen to help clean it
- 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