12-letter words containing a, g, o
- hamming code — (algorithm) Extra, redundant bits added to stored or transmitted data for the purposes of error detection and correction. Named after the mathematician Richard Hamming, Hamming codes greatly improve the reliability of data, e.g. from distant space probes, where it is impractical, because of the long transmission delay, to correct errors by requesting retransmission.
- hand-holding — the act of holding hands, especially as a sign or token of affection.
- hangchow bay — a bay of the East China Sea.
- hanging post — a post from which a door, gate, etc., is hung.
- hangtown fry — a type of omelet to which fried oysters, bacon, and sometimes onions are added.
- haptoglobins — Plural form of haptoglobin.
- hard-working — industrious; zealous: a hardworking family man.
- harmonograph — an instrument using a system of pendulums to produce geometric images
- harrisonburg — a city in N Virginia.
- have a (good — to feel (strongly) inclined to
- have a go at — attack verbally
- have got sth — You use have got to say that someone has a particular thing, or to mention a quality or characteristic that someone or something has. In informal American English, people sometimes just use 'got'.
- have it good — to be in comfortable circumstances
- hazel grouse — a European woodland grouse, Tetrastes bonasia, somewhat resembling the North American ruffed grouse.
- 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
- higashiosaka — a city on S Honshu, in Japan, W of Osaka.
- high and low — having a great or considerable extent or reach upward or vertically; lofty; tall: a high wall.
- high command — the leadership or highest authority of a military command or other organization.
- high fashion — haute couture.
- 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.