17-letter words containing h, a, d, i, n
- quick on the draw — having fast reflexes
- radiation therapy — x-rays used as treatment
- radio in the loop — Wireless Local Loop
- receding forehead — a forehead which slopes backwards
- receding hairline — hair that is thinning at the front
- rhode island bent — a European pasture grass, Agrostis tenuis, naturalized in North America, having red flower clusters.
- 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)
- right in the head — sane
- 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
- sandwich compound — any of a class of organometallic compounds whose molecules have a metal atom or ion bound between two plane parallel organic rings
- shopping bag lady — bag lady (def 1).
- shopping-bag lady — bag lady (def 1).
- shouting distance — hailing distance.
- 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.
- sixth commandment — “Thou shalt not kill”: sixth of the Ten Commandments.
- smarandache logic — neutrosophic logic
- south farmingdale — a town on central Long Island, in SE New York.
- south sea islands — the islands in the S Pacific that constitute Oceania
- 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.
- st. swithin's day — July 15, superstitiously regarded as a day that, should it rain or be fair, will be followed by 40 consecutive days of like weather.
- 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.
- 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.
- swaddling clothes — cloth for wrapping around a baby
- 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
- 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 faint-hearted — people of a nervous disposition
- the life and soul — a person regarded as the main source of merriment and liveliness
- 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
- 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.
- 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.
- 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.
- tibetan highlands — Tibet, Plateau of.
- to have a mind to — If you have a mind to do something, you want, intend, or choose to do it.
- to win hands down — If you win hands down, you win very easily.
- undistinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
- 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.
- washing-up liquid — Washing-up liquid is a thick soapy liquid which you add to hot water to clean dirty dishes.
- washington island — an island off the Door Peninsula, NE Wisconsin, in NW Lake Michigan. 20 sq. mi. (50 sq. km).
- wheatstone bridge — a circuit for measuring an unknown resistance by comparing it with known resistances.
- wind chill factor — A wind chill factor is a measure of the cooling effect of the wind on the temperature of the air.