12-letter words containing h, a, k, e
- hello packet — (networking, communications) An OSPF packet sent periodically on each network interface, real or virtual, to discover and test connections to neighbours. Hello packets are multicast on physical networks capable of multicasting or broadcasting to enable dynamic router discovery. They include the parameters that routers connected to a common network must agree on. Hello packets increase network resilience by, e.g., allowing a router to establish a secondary connection when a primary connection fails.
- hemiplankton — plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
- heterokaryon — a cell containing two or more nuclei of differing genetic constitutions.
- heterokontan — of or relating to a heterokont
- hit the mark — to achieve one's aim; be successful in one's attempt
- hit the sack — a large bag of strong, coarsely woven material, as for grain, potatoes, or coal.
- hockey skate — a tubular ice skate having a shorter blade than a racing skate and often having a reinforced shoe for protection.
- holidaymaker — vacationer.
- holkar state — a former state of central India, ruled by the Holkar dynasty of Maratha rulers of Indore (18th century until 1947)
- home banking — a system whereby a person at home or in an office can use a computer with a modem to call up information from a bank or to transfer funds electronically
- hook and eye — a two-piece clothes fastener, usually of metal, consisting of a hook that catches onto a loop or bar.
- horsebreaker — One who trains, or breaks in, horses.
- housebreaker — a person who breaks into and enters a house with a felonious intent.
- hydraulicked — (of an extracted mineral) excavated using water
- hydrocracker — a high-pressure processing unit used for hydrocracking.
- hyperkalemia — an abnormally high concentration of potassium in the blood.
- hyperkalemic — Having a high percentage of potassium in one's blood.
- hyperkinesia — Pathology. an abnormal amount of uncontrolled muscular action; spasm.
- hypermarkets — Plural form of hypermarket.
- hypokalaemia — Alternative form of hypokalemia.
- in the black — lacking hue and brightness; absorbing light without reflecting any of the rays composing it.
- jack-the-lad — a young man who is regarded as a brash, loud show-off
- jackson hole — a valley in NW Wyoming, near the Teton Range: wildlife preserve.
- jenghis khan — Genghis Khan.
- jenghiz khan — Genghis Khan
- kaffeeklatch — Alternative spelling of coffee klatch.
- kaleidophone — an instrument, invented by Professor Charles Wheatstone (1802-1875), consisting of a light on a vibrating rod with a reflecting knob for exhibiting the effect of sound waves
- kamehameha i — ("the Great") 1737?–1819, king of the Hawaiian Islands 1810–19.
- kanchenjunga — a mountain in S Asia, between NE India and Nepal, in the E Himalayas: third highest in the world. 28,169 feet (8586 meters).
- katharevousa — The purist form of modern Greek used in traditional literary writing, as opposed to the form that is spoken and used in everyday writing (called demotic).
- katharometer — (science) A device used for analyzing gas mixtures by measuring their thermal conductivity.
- keratohyalin — (biology) A protein structure found in granules in the stratum granulosum of the epidermis, which may be involved in keratinization, and in Hassall corpuscles in the thymus.
- keraunograph — an instrument for recording thunderstorms by detecting the radio waves generated
- killer whale — any of several predatory dolphins, especially the black-and-white Orcinus orca, found in all seas.
- kinaesthesia — kinesthesia.
- kinaesthesis — kinesthesia.
- kinaesthetic — Alternative form of kinesthetic.
- kind hearted — having or showing sympathy or kindness: a kindhearted woman.
- kind-hearted — having or showing sympathy or kindness: a kindhearted woman.
- kinesipathic — of or relating to kinesipathy
- kinesophobia — Fear of movement.
- kinetography — a camera for taking pictures for a kinetoscope.
- kirschwasser — a fragrant, colorless, unaged brandy distilled from a fermented mash of cherries, produced especially in Germany, Switzerland, and Alsace, France.
- kitchen salt — coarse salt that is used in cooking but not at the table
- kitchen soap — heavy-duty soap intended for use in the kitchen
- kitchenwares — Plural form of kitchenware.
- klamath weed — the St.-John's-wort, Hypericum perforatum.
- knuckleheads — Plural form of knucklehead.
- lake charles — a city in SW Louisiana.
- lake herring — a cisco or whitefish, especially Coregonus artedii, of the Great Lakes.