12-letter words containing o, c, n, r
- 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
- heterochrony — a genetic shift in timing of the development of a tissue or anatomical part, or in the onset of a physiological process, relative to an ancestor.
- heterophonic — the simultaneous performance of the same melodic line, with slight individual variations, by two or more performers.
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- hickory pine — bristlecone pine.
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- high country — a mountainous area below the timberline; a forested mountain area.
- high-scoring — (of a football etc match) in which a lot of goals are scored
- hill country — hilly area
- hippocentaur — Centaur.
- hippocrepian — (of an aquatic organism or plant) shaped like a horseshoe
- hire company — a company that hires things out to people
- histrionical — (British) Alternative form of histrionic.
- home country — the country a person comes from
- homochronous — (of a genetic character) occurring at the same age or period in the offspring as in the parent.
- homoromantic — Romantically attracted to those of the same gender.
- honeycreeper — any of several small, usually brightly colored birds, related to the tanagers and wood warblers, of tropical and semitropical America.
- horizon club — a division of Camp Fire, Inc., for members of high-school age.
- horn balance — an extension of an aircraft control surface that projects in front of the hinge providing aerodynamic assistance in moving the control
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- horse's neck — a drink of whiskey and ginger ale, served with ice and garnished with a spiral of lemon peel on the rim of the glass.
- host country — nation staging an international event
- housecleaner — Someone employed to clean a house.
- hovering act — an act forbidding or restricting the loitering of foreign or domestic vessels within the prescribed limits of a coastal nation.
- hydnocarpate — a salt or ester of hydnocarpic acid.
- hydrocarbons — any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH 4 , an alkene, ethylene, C 2 H 4 , an alkyne, acetylene, C 2 H 2 , or an aromatic compound, benzene, C 6 H 6 .
- hydrocooling — the process or technique of arresting the ripening of fruits and vegetables after harvesting by immersion in ice water.
- hydrocyclone — A hydrocyclone is a vessel used for separating two liquids with different densities, by the circular movement of fluid.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydrokinetic — pertaining to the motion of liquids.
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydronically — in a hydronic manner; in a manner relating to a heating system that uses water
- hydrozincite — a hydrous zinc carbonate, Zn 5 (CO 3) 2 (OH) 6 , an important ore of zinc in some localities.
- hyperfiction — nonlinear fiction created in electronic hypertext form and containing multiple plot developments, endings, etc., that can be evoked interactively.
- hypersomniac — a tendency to sleep excessively.
- hypochondria — Also, hypochondriasis [hahy-poh-kuh n-drahy-uh-sis] /ˌhaɪ poʊ kənˈdraɪ ə sɪs/ (Show IPA). Psychiatry. an excessive preoccupation with one's health, usually focusing on some particular symptom, as cardiac or gastric problems.
- hysterogenic — inducing hysteria.
- iconographic — of or relating to iconography.
- icosahedrons — Plural form of icosahedron.
- idiosyncracy — Alternative spelling of idiosyncrasy.
- idiosyncrasy — A mode of behavior or way of thought peculiar to an individual.
- imperception — lack of perception.
- imperfection — an imperfect detail; flaw: a law full of imperfections.
- importancies — Plural form of importancy.
- imprecations — Plural form of imprecation.
- improvidence — not provident; lacking foresight; incautious; unwary.
- in charge of — having responsibility for
- in course of — in the process of
- in principio — at or in the beginning; at first.
- in search of — looking for, seeking