15-letter words containing a, h, o, l
- heterosexualism — Discrimination of non-heterosexual people on the basis of their sexual orientation.
- heterosexuality — sexual feeling or behavior directed toward a person or persons of the opposite sex.
- heterotolerance — (immunology) Subsequent unresponsiveness to a different agonist.
- hexachlorophene — a white, crystalline powder, C 13 Cl 6 H 6 O 2 , insoluble in water: used as an antibacterial agent chiefly in toothpastes and soaps.
- hexahydrothymol — menthol.
- high-angle shot — a shot taken from a camera positioned above the action
- histochemically — In a histochemical manner.
- histopathologic — the science dealing with the histological structure of abnormal or diseased tissue; pathological histology.
- historical cost — The historical cost of an asset is its original cost when it was first acquired by a company.
- 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
- holocrystalline — (of igneous rocks) having only crystalline components and no glass
- holographically — In a holographic way.
- holyhead island — former name of Holy Island (def 2).
- homeopathically — By means of homeopathy.
- homeostatically — the tendency of a system, especially the physiological system of higher animals, to maintain internal stability, owing to the coordinated response of its parts to any situation or stimulus that would tend to disturb its normal condition or function.
- homochlamydeous — (of a plant) having a perianth in which the sepals and petals are fused together and indistinguishable
- homosexualities — Plural form of homosexuality.
- 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.
- horatius cocles — a legendary Roman hero of the 6th century bc, who defended a bridge over the Tiber against Lars Porsena
- horizontal well — A horizontal well is a well which has sections that have been drilled at more than 80 degrees from the vertical in order to penetrate a greater length of the reservoir.
- 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.
- horse artillery — cavalry equipped with artillery
- horse latitudes — the latitudes near 30°N or 30°S at sea, characterized by baffling winds, calms, and high barometric pressure
- horticulturally — With respect to horticulture.
- hospital corner — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
- hospital doctor — a hospital doctor works in a hospital, rather than as a general practitioner, in the army, etc
- hospitalisation — (British) alternative spelling of hospitalization.
- hospitalization — the act, process, or state of being hospitalized.
- host-host layer — transport layer
- hot-air balloon — passenger balloon
- hubble constant — the ratio of the recessional velocity of galaxies to their distance from the sun, with current measurements of its value ranging from 50 to 100 km/sec per megaparsec.
- human relations — the study of group behavior for the purpose of improving interpersonal relationships, as among employees.
- humpback salmon — a pink salmon inhabiting North Pacific waters: so-called because of the hump that appears behind the head of the male when it is ready for spawning.
- hunting leopard — the cheetah.
- hurdle champion — a hurdler who has defeated all others in a competition
- hyaluronic acid — a mucopolysaccharide serving as a viscous medium in the tissues of the body and as a lubricant in joints.
- hydraulic motor — a motor that converts the kinetic or potential energy of a fluid into mechanical energy.
- hydrobiological — of or relating to hydrobiology
- hydromechanical — Of or pertaining to hydromechanics.