12-letter words containing h, e, g, o, a
- headlongness — Headlong quality or speed; precipitateness.
- headstrongly — In a headstrong manner.
- hearing loss — diminished ability to hear
- heavy oxygen — either of the two stable isotopes of oxygen having mass numbers of 17 and 18.
- heilongjiang — a province in NE China, S of the Amur River. 108,880 sq. mi. (281,999 sq. km). Capital: Harbin.
- helicographs — Plural form of helicograph.
- heliogabalus — (Varius Avitus Bassianus"Marcus Aurelius Antoninus") a.d. 204–222, Roman emperor 218–222.
- heliographed — Simple past tense and past participle of heliograph.
- heliographer — (obsolete) Photographer.
- heliographic — a device for signaling by means of a movable mirror that reflects beams of light, especially sunlight, to a distance.
- heliogravure — photoengraving.
- hemangiomata — See under angioma.
- hematogenous — originating in the blood.
- hematologist — the study of the nature, function, and diseases of the blood and of blood-forming organs.
- hemorrhaging — a profuse discharge of blood, as from a ruptured blood vessel; bleeding.
- hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatogenous — originating in the liver
- hepatomegaly — an abnormal enlargement of the liver, usually associated with liver disease or heart failure.
- herring boat — a fishing boat that specializes in catching herring
- heterogamete — either of a pair of conjugating gametes differing in form, size, structure, or sex.
- heterogamety — the condition or state of being heterogametic
- heterogamous — Genetics. having unlike gametes, or reproducing by the union of such gametes (opposed to isogamous).
- heterografts — Plural form of heterograft.
- heterography — spelling different from that in current use.
- hexaflexagon — A hexagonal flexagon.
- hierogrammat — a writer of hierograms.
- hierographer — a writer of hierographs
- hierographic — of or relating to hierographs
- high treason — treason against the sovereign or state.
- high voltage — high-power electricity
- high-voltage — operating on or powered by high voltage: a high-voltage generator.
- highway code — In Britain, the Highway Code is an official book published by the Department of Transport, which contains the rules which tell people how to use public roads safely.
- hollingshead — Holinshed.
- 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
- home staging — the professional service of preparing homes for sale in such a way as to appeal to potential buyers and generate higher selling prices: Realtors who encourage sellers to invest in home staging are reporting substantial monetary returns—for both themselves and their clients.
- homesteading — a dwelling with its land and buildings, occupied by the owner as a home and exempted by a homestead law from seizure or sale for debt.
- homologumena — the books in the New Testament generally held as authoritative and canonical by the early church.
- honey badger — ratel.
- hopper barge — a barge for disposing of garbage, dredged material, etc., having hoppers in the bottom through which such cargo can be dumped.
- horse guards — the mounted squadrons supplied by the Household Cavalry for ceremonial duties
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- house league — a sports league in which the members of all teams belong to the same organization, school, or company
- housewarming — a party to celebrate a person's or family's move to a new home.
- hovering act — an act forbidding or restricting the loitering of foreign or domestic vessels within the prescribed limits of a coastal nation.
- hua guo feng — 1921–2008, Chinese Communist statesman; prime minister of China 1976–80
- human genome — genetic code of human beings
- hydrogenated — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- hydrogenates — Third-person singular simple present indicative form of hydrogenate.
- hydrographer — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.