15-letter words containing h, a, d
- heat-conduction — the transfer of thermal energy between molecules
- heath speedwell — a temperate scrophulariaceous plant, Veronica officinalis, having small blue or pinkish white flowers
- heaviside layer — E layer.
- heavy-heartedly — in a heavy-hearted manner
- hebrew calendar — the lunisolar calendar used by Jews, as for determining religious holidays, that is reckoned from 3761 b.c. and was established by Hillel II in the 4th century a.d., the calendar year consisting of 353 days (defective year) 354 days (regular year) or 355 days (perfect year or abundant year) and containing 12 months: Tishri, Heshvan, Kislev, Tevet, Shevat, Adar, Nisan, Iyar, Sivan, Tammuz, Av, and Elul, with the 29-day intercalary month of Adar Sheni added after Adar seven times in every 19-year cycle in order to adjust the calendar to the solar cycle. The Jewish ecclesiastical year begins with Nisan and the civil year with Tishri.
- 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
- hemadynamometer — An instrument by which the pressure of the blood in the arteries, or veins, is measured by the height to which it will raise a column of mercury.
- hemel hempstead — a town in W Hertfordshire, in SE England.
- hemodynamically — With regard to hemodynamics.
- 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.
- herbal medicine — the use of herbs to treat illness
- 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
- heredo-familial — denoting a condition or disease that may be passed from generation to generation and to several members of one family
- 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.
- hernando cortez — Hernando [er-nahn-daw] /ɛrˈnɑn dɔ/ (Show IPA), Hernán [er-nahn] /ɛrˈnɑn/ (Show IPA), 1485–1547, Spanish conqueror of Mexico.
- herod agrippa i — 10 bc–44 ad, king of Judaea (41–44), grandson of Herod (the Great). A friend of Caligula and Claudius, he imprisoned Saint Peter and executed Saint James
- herod the great — ("the Great") 73?–4 b.c, king of Judea 37–4.
- 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
- hewlett-packard — (HP) Hewlett-Packard designs, manufactures and services electronic products and systems for measurement, computation and communications. The company's products and services are used in industry, business, engineering, science, medicine and education in approximately 110 countries. HP was founded in 1939 and employs 96600 people, 58900 in the USA. They have manufacturing and R&D establishments in 54 cities in 16 countries and approximately 600 sales and service offices in 110 countries. Their revenue (in 1992/1993?) was $20.3 billion. The Chief Executive Officer is Lewis E. Platt. HP's stock is traded on the New York Stock Exchange and the Pacific, Tokyo, London, Frankfurt, Zurich and Paris exchanges. Quarterly sales $6053M, profits $347M (Aug 1994).
- hexahydrothymol — menthol.
- high and mighty — self-important, arrogant
- high-and-mighty — haughty; arrogant.
- high-handedness — condescending or presumptuous; overbearing; arbitrary: He has a highhanded manner.
- highland cattle — a breed of cattle with shaggy hair, usually reddish-brown in colour, and long horns
- hitachi hd64180 — (processor) A processor family which adds peripherals and an MMU to the Zilog Z80.
- hold one's hand — to stop or postpone a planned action or punishment
- holding company — a company that controls other companies through stock ownership but that usually does not engage directly in their productive operations (distinguished from parent company).
- holding furnace — a small furnace for holding molten metal produced in a larger melting furnace at a desired temperature for casting.
- holding paddock — a paddock in which cattle or sheep are kept temporarily, as before shearing, etc
- holding pattern — a traffic pattern for aircraft at a specified location (holding point) where they are ordered to remain until permitted to land or proceed.
- hole-and-corner — secretive; clandestine; furtive: The political situation was full of hole-and-corner intrigue.
- holiday clothes — the clothes worn and bought for travelling on holiday, such as swimwear, skiwear, or clothes for hot or cold weather, etc
- holiday cottage — a cottage used for accommodation for a family, couple, etc, on holiday
- holiday feeling — the positive feeling people experience while on holiday and during holiday periods such as the Christmas period
- holiday traffic — increased road traffic during holiday periods and public holidays
- holiday village — a park with villas where holidaymakers stay and which has a central area with a shop, entertainment, etc
- holyhead island — former name of Holy Island (def 2).
- homing guidance — a method of missile guidance in which internal equipment enables it to steer itself onto the target, as by sensing the target's heat radiation
- homochlamydeous — (of a plant) having a perianth in which the sepals and petals are fused together and indistinguishable
- hook and ladder — a fire engine, usually a tractor-trailer, fitted with long, extensible ladders and other equipment.
- hook of holland — a cape and the harbor it forms in the SW Netherlands.
- horned oak gall — a small, round tumor, formed around wasp eggs laid in the branches of a pin oak tree, that disrupts the flow of nutrients to the tree, with consequent defoliation and death.
- horned screamer — a screamer, Anhima cornuta, of tropical South America, having a long, slender hornlike process projecting from the forehead.