12-letter words containing c, o, h, s
- hectocotylus — a modified arm of the male of certain cephalopods that is used to transfer sperm to the female.
- hedge-school — a school held out of doors in favourable weather, indoors in winter
- hegemonistic — the policy or practice of hegemony to serve national interests.
- helicographs — Plural form of helicograph.
- heliospheric — Of or pertaining to the heliosphere.
- hellaciously — In a hellacious manner.
- 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).
- hematocolpos — (medicine) A medical condition in which the vagina fills with menstrual blood, often caused by the combination of menstruation with an imperforate hymen.
- hemerocallis — the genus comprising the day lilies.
- hemiscotosis — hemianopsia.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemophiliacs — Plural form of hemophiliac.
- henotheistic — Relating to henotheism.
- heroic verse — a form of verse adapted to the treatment of heroic or exalted themes: in classical poetry, dactylic hexameter; in English and German, iambic pentameter; and in French, the Alexandrine. An example of heroic verse is Achilles' wrath, to Greece the direful spring / Of woes unnumbered, heavenly goddess, sing!
- herstmonceux — a village in S England, in E Sussex north of Eastbourne: 15th-century castle, site of the Royal Observatory, which was transferred from Greenwich between 1948 and 1958, until 1990
- heteroclisis — (grammar) The presence of two or more classes of inflection in the inflectional paradigm of a noun, verb etc.
- heteroclites — Plural form of heteroclite.
- heteroecious — the development of different stages of a parasitic species on different host plants.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexacosanoic — as in hexacosanoic acid
- hidrocystoma — An adenoma of the sweat glands.
- hierocracies — Plural form of hierocracy.
- high society — society (def 9).
- high-scoring — (of a football etc match) in which a lot of goals are scored
- highschooler — (US) A student at a high school.
- histiocytoma — A tumour consisting of histiocytes.
- histochemist — someone who specializes in histochemistry
- histographic — a treatise on or description of organic tissues.
- histological — the branch of biology dealing with the study of tissues.
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- historicized — Simple past tense and past participle of historicize.
- histrionical — (British) Alternative form of histrionic.
- hockey skate — a tubular ice skate having a shorter blade than a racing skate and often having a reinforced shoe for protection.
- hockey stick — the stick used in field hockey or ice hockey.
- 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.
- holistically — incorporating the concept of holism, or the idea that the whole is more than merely the sum of its parts, in theory or practice: holistic psychology.
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- holopneustic — having all the spiracles open, as the tracheal systems of most insects.
- home stretch — final stages: of race or journey
- homeschooled — Simple past tense and past participle of homeschool.
- homeschooler — One who homeschools a student (typically the parent).
- homescreetch — a mistle thrush
- homesickness — sad or depressed from a longing for home or family while away from them for a long time.
- homo erectus — an extinct species of the human lineage, formerly known as Pithecanthropus erectus, having upright stature and a well-evolved postcranial skeleton, but with a smallish brain, low forehead, and protruding face.
- homochromous — being all of one color, as a composite flower or flower head.
- homochronous — (of a genetic character) occurring at the same age or period in the offspring as in the parent.
- homocysteine — An amino acid that occurs in the body as an intermediate in the metabolism of methionine and cysteine.
- honey locust — a thorny North American tree, Gleditsia triacanthos, of the legume family, having small, compound leaves and pods with a sweet pulp.
- honeysuckles — Plural form of honeysuckle.
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.