15-letter words containing h, d, s
- hamamelidaceous — belonging to the Hamamelidaceae, the witch hazel family of plants.
- hampstead heath — a popular recreation area near Hampstead in N London
- hang one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- hang seng index — an index of share prices based on an average of 33 stocks quoted on the Hong Kong Stock Exchange
- hard disk drive — (storage) (HDD) A disk drive used to read and write hard disks.
- hard-luck story — a story of misfortune designed to elicit sympathy
- hard-shell clam — quahog.
- hard-shell crab — a crab, especially an edible crab, that has not recently molted and has a hard shell.
- hardhead sponge — any of several commercial sponges, as Spongia officinalis dura, of the West Indies and Central America, having a harsh, fibrous, resilient skeleton.
- hardheartedness — The state of being hardhearted.
- hardship clause — a clause in a contract which covers unforeseen events that would make it more difficult for one party to complete the contract, and in which case offers alternative terms
- hare and hounds — an outdoor game in which certain players, the hares, start off in advance on a long run, scattering small pieces of paper, called the scent, with the other players, the hounds, following the trail so marked in an effort to catch the hares before they reach a designated point.
- harun al-rashid — a.d. 764?–809, caliph of Baghdad 786–809: one of the greatest Abbasids, he was made almost a legendary hero in the Arabian Nights.
- harun ar-rashid — a.d. 764?-809; caliph of Baghdad (786-809): given popular fame as a hero of The Arabian Nights
- has had its day — If you say that something has had its day, you mean that the period during which it was most successful or popular has now passed.
- hausdorff space — a topological space in which each pair of points can be separated by two disjoint open sets containing the points.
- have it so good — to have so many benefits, esp material benefits
- have words with — to argue angrily with
- hazard analysis — risk assessment
- hazardous waste — any industrial by-product, especially from the manufacture of chemicals, that is destructive to the environment or dangerous to the health of people or animals: Hazardous wastes often contaminate ground water.
- head over heels — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- head-up display — an electronic display of data from instruments or other sources projected at eye level so that a driver or pilot sees it without looking away from the road or course. Abbreviation: HUD.
- heads will roll — If you say that heads will roll as a result of something bad that has happened, you mean that people will be punished for it, especially by losing their jobs.
- heath speedwell — a temperate scrophulariaceous plant, Veronica officinalis, having small blue or pinkish white flowers
- heaviside layer — E layer.
- hedge your bets — play it safe, lessen a risk
- hedgehog cactus — any of various rounded, usually spiny cacti of the genus Echinocereus, of the southwestern U.S. and Mexico, having bell-shaped flowers that close at night.
- hedonic damages — compensation based on what the victim of a crime might have earned in the future
- hemel hempstead — a town in W Hertfordshire, in SE England.
- hendecasyllabic — having 11 syllables.
- hendecasyllable — a word or line of verse of 11 syllables.
- henry cavendish — Henry, 1731–1810, English chemist and physicist.
- heralds' office — the official heraldic authority of Scotland.
- hereditarianism — a person who believes that differences between individuals or groups, including moral and intellectual attributes, are predominantly determined by genetic factors (opposed to environmentalist).
- hereditarianist — a person who believes in the doctrine of hereditarianism
- hermaphroditism — the condition of being a hermaphrodite.
- hernando cortes — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
- heroin overdose — an excessive amount of the drug heroin, sufficient to cause illness or death
- heterodactylous — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- heteroscedastic — (of several distributions) having different variances
- high priesthood — the condition or office of a high priest.
- high-handedness — condescending or presumptuous; overbearing; arbitrary: He has a highhanded manner.
- hog-nosed skunk — Also called badger skunk, rooter skunk. a large, naked-muzzled skunk, Conepatus mesoleucus, common in the southwestern U.S. and Mexico, having a black coat with one broad white stripe down the back and tail.
- hold one's hand — to stop or postpone a planned action or punishment
- hold one's nose — the part of the face or facial region in humans and certain animals that contains the nostrils and the organs of smell and functions as the usual passageway for air in respiration: in humans it is a prominence in the center of the face formed of bone and cartilage, serving also to modify or modulate the voice.
- holiday clothes — the clothes worn and bought for travelling on holiday, such as swimwear, skiwear, or clothes for hot or cold weather, etc
- holyhead island — former name of Holy Island (def 2).
- homochlamydeous — (of a plant) having a perianth in which the sepals and petals are fused together and indistinguishable
- horned screamer — a screamer, Anhima cornuta, of tropical South America, having a long, slender hornlike process projecting from the forehead.
- horner's method — a technique, involving successive substitutions, for approximating the real roots of an equation with real coefficients.