17-letter words containing d, i, a, h
- hairy-tailed mole — a blackish North American mole, Parascalops breweri, having a short, hairy tail.
- haitian solenodon — a rare shrewlike nocturnal mammal of the Caribbean, Solenodon paradoxus, having a long hairless tail and an elongated snout: family Solenodontidae, order Insectivora (insectivores)
- half-round chisel — a cold chisel with a semicircular cutting edge used for making narrow channels
- hall of residence — Halls of residence are buildings with rooms or flats, usually built by universities or colleges, in which students live during the term.
- hammer and sickle — the emblem of the Soviet Union, adopted in 1923 and consisting of an insignia of a hammer with its handle across the blade of a sickle and a star above.
- hammered dulcimer — dulcimer (sense 1)
- handicap register — a list of the disabled people in its area that a local authority had a duty to compile under the Chronically Sick and Disabled Persons Act 1970
- hanging indention — an indention of uniform length at the beginning of each line except the first, which is flush left and of full width.
- hardware register — (hardware, system administration) (Or "hardware log") A list of all hardware, both internal and external, that is attached to a particular computer.
- haroun-al-raschid — Harun al-Rashid.
- hawking radiation — the emission of particles by a black hole. Pairs of virtual particles in the intense gravitational field around a black hole may live long enough for one to move outward when the other is pulled into the black hole, making it appear that the black hole is emitting radiation
- head of the river — any of various annual rowing regattas held on particular rivers
- headline-grabbing — A headline-grabbing statement or activity is one that is intended to attract a lot of attention, especially from the media.
- heptanedioic acid — pimelic acid.
- heritage industry — an industry that manages the historical sites, buildings, and museums in a particular place, with the aim of encouraging tourism
- hermaphrodite rig — jackass rig.
- hexacosanoic acid — cerotic acid.
- hexadecanoic acid — palmitic acid.
- hillel foundation — a national organization, founded in 1924 by the B'nai B'rith, that institutes and administers programs designed to enrich the religious, cultural, and social life of Jewish college students.
- hiring and firing — the authority to hire or fire staff, or the act of doing this
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- hit over the head — to strike on the head
- hit the headlines — be prominently featured in the news
- hoare powerdomain — powerdomain
- hodgkin's disease — a type of cancer characterized by progressive chronic inflammation and enlargement of the lymph nodes of the neck, armpit, groin, and mesentery, by enlargement of the spleen and occasionally of the liver and the kidneys, and by lymphoid infiltration along the blood vessels.
- holding operation — a plan or procedure devised to prolong the existing situation
- hollandaise sauce — a sauce of egg yolks, butter, lemon juice, and seasonings.
- homeland security — national defence
- homogentisic acid — an intermediate compound in the metabolism of tyrosine and of phenylalanine, found in excess in the blood and urine of persons affected with alkaptonuria.
- homovanillic acid — the end product of dopamine metabolism, C 9 H 10 O 4 , found in human urine.
- horseradish sauce — a piquant sauce made from horseradish root, vinegar, etc, and traditionally eaten in Britain with roast beef
- household ammonia — diluted ammonia, often having a small quantity of detergent, used in the home for cleaning.
- how the land lies — the prevailing conditions or state of affairs
- humpbacked bridge — A humpbacked bridge or humpback bridge is a short and very curved bridge with a shape similar to a semi-circle.
- hybrid fiber coax — (networking) (HFC) A kind of physical connection used in networks for audio, video, and data. DVB (Digital Video Broadcast) is used in Europe and DOCSIS is used in N America.
- hydraulic circuit — a circuit through which water or another liquid, instead of electric current, flows, but which otherwise operates in the same way as an electric circuit
- hydrochloric acid — a colorless or faintly yellow, corrosive, fuming liquid, HCl, used chiefly in chemical and industrial processes.
- hydroelectrically — Using hydroelectric power.
- hydrofluoric acid — a colorless, fuming, corrosive liquid, HF, an aqueous solution of hydrogen fluoride, used chiefly for etching glass.
- hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
- hydrotherapeutics — hydrotherapy.
- hydroxytryptamine — (organic compound) Any hydroxy derivative of tryptamine, but especially 5-hydroxytryptamine (serotonin).
- hypochlorous acid — a weak, unstable acid, HOCl, existing only in solution and in the form of its salts, used as a bleaching agent and disinfectant.
- hypochondriacally — In a hypochondriacal manner.
- hypophrygian mode — a plagal church mode represented on the white keys of a keyboard instrument by an ascending scale from B to B, with the final on E.
- i'd give anything — You use give in phrases such as I'd give anything, I'd give my right arm, and what wouldn't I give to emphasize that you are very eager to do or have something.
- icosidodecahedron — A semiregular polyhedron with twelve faces that are regular pentagons and twenty that are equilateral triangles.
- icositetrahedrons — Plural form of icositetrahedron.
- in all likelihood — very probably
- in broad daylight — openly, in full public view