12-letter words containing h, a, n, o
- heavy oxygen — either of the two stable isotopes of oxygen having mass numbers of 17 and 18.
- heel-and-toe — noting a pace, as in walking contests, in which the heel of the front foot touches ground before the toes of the rear one leave it.
- heilongjiang — a province in NE China, S of the Amur River. 108,880 sq. mi. (281,999 sq. km). Capital: Harbin.
- hells canyon — a canyon on the Snake River in S Idaho and along the Oregon border: 125 miles (210 km) long with a maximum depth of about 7900 feet (2408 meters).
- hemangiomata — See under angioma.
- hematogenous — originating in the blood.
- hemiplankton — plankton that spend part of their life cycle in a vegetative state on the sea bottom, riverbed, etc. (opposed to holoplankton).
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemorrhaging — a profuse discharge of blood, as from a ruptured blood vessel; bleeding.
- henceforward — from now on; from this point forward.
- hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
- henry howard — Earl of (Henry Howard) 1517?–47, English poet.
- hepatization — the transformation of tissue into a liver-like substance, esp of the lungs in pneumonia
- hepatogenous — originating in the liver
- hepatotoxins — Plural form of hepatotoxin.
- heptahedrons — Plural form of heptahedron.
- here and now — in this place; in this spot or locality (opposed to there): Put the pen here.
- hernioplasty — an operation for the repair of a hernia.
- herpetofauna — the reptiles and amphibians that inhabit a given area
- herring boat — a fishing boat that specializes in catching herring
- hessian boot — a knee-high tasseled boot, fashionable in England in the early 19th century.
- heterokaryon — a cell containing two or more nuclei of differing genetic constitutions.
- heterokontan — of or relating to a heterokont
- heteroousian — a person who believes the Father and the Son to be unlike in substance or essence; an Arian (opposed to Homoousian).
- heteropteran — A bug of the group Heteroptera.
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- hexacosanoic — as in hexacosanoic acid
- hexadecanoic — Of or pertaining to hexadecanoic acid or its derivatives.
- hexaflexagon — A hexagonal flexagon.
- hexasiloxane — (organic chemistry) Any siloxane having six -Si-O- groups.
- hibernations — Plural form of hibernation.
- hierophanies — Plural form of hierophany.
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- 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.
- hill station — a village, post, or the like, especially in S Asia, at a high altitude where government officials and others can be stationed to escape the great heat of tropical summers.
- hippocentaur — Centaur.
- hippocrepian — (of an aquatic organism or plant) shaped like a horseshoe
- hire company — a company that hires things out to people
- hispaniolize — to make someone Spanish in their cultural attitudes, values, speech, etc
- hispanophile — an admirer of Hispanic culture or the Spanish language.
- hispanophobe — a person who dislikes Hispanic culture or the Spanish language.
- histrionical — (British) Alternative form of histrionic.
- hobnail boot — a boot with a hobnail in the sole
- hofmannsthal — Hugo von [hoo-goh fuh n] /ˈhu goʊ fən/ (Show IPA), 1874–1929, Austrian poet, playwright, and librettist.
- hohenstaufen — a member of the royal family that ruled in Germany from 1138 to 1208 and from 1215 to 1254, and in Sicily from 1194 to 1266.
- hoisin sauce — a thick, sweet, spicy condiment containing soybeans, sugar, garlic, and chili peppers, used in cooking or as an accompaniment to meat, fish, or poultry, especially Peking duck.
- hold against — resent sb for sth