12-letter words containing c, h, o, y
- have company — If you have company, you have a visitor or friend with you.
- hectocotylus — a modified arm of the male of certain cephalopods that is used to transfer sperm to the female.
- 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).
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemotoxicity — Toxicity that affects the blood (especially that affects red blood cells).
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatoxicity — Toxicity that affects the liver.
- 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.
- heterocyclic — of or relating to the branch of chemistry dealing with cyclic compounds in which at least one of the ring members is not a carbon atom (contrasted with homocyclic).
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- hexacarbonyl — (inorganic chemistry) Any compound having six carbonyl groups.
- hickory pine — bristlecone pine.
- hidrocystoma — An adenoma of the sweat glands.
- hieroglyphic — Also, hieroglyphical. designating or pertaining to a pictographic script, particularly that of the ancient Egyptians, in which many of the symbols are conventionalized, recognizable pictures of the things represented.
- high country — a mountainous area below the timberline; a forested mountain area.
- high society — society (def 9).
- high wycombe — a town in S central England, in S Buckinghamshire: furniture industry. Pop: 77 178 (2001)
- 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.
- hill country — hilly area
- hire company — a company that hires things out to people
- histiocytoma — A tumour consisting of histiocytes.
- historically — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- 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.
- holiday camp — In Britain, a holiday camp is a place which provides holiday accommodation and entertainment for large numbers of people.
- 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.
- holy picture — a picture of a person or thing that is of religious importance
- home country — the country a person comes from
- homo-zygotic — having identical pairs of genes for any given pair of hereditary characteristics.
- homocysteine — An amino acid that occurs in the body as an intermediate in the metabolism of methionine and cysteine.
- honey bucket — a container for excrement, as in an outdoor toilet.
- honey locust — a thorny North American tree, Gleditsia triacanthos, of the legume family, having small, compound leaves and pods with a sweet pulp.
- honeycombing — Present participle of honeycomb.
- honeycreeper — any of several small, usually brightly colored birds, related to the tanagers and wood warblers, of tropical and semitropical America.
- honeysuckles — Plural form of honeysuckle.
- horrifically — causing horror.
- host country — nation staging an international event
- human comedy — French La Comédie Humaine. a collected edition of tales and novels in 17 volumes (1842–48) by Honoré de Balzac.
- 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 .
- hydrocephaly — an accumulation of serous fluid within the cranium, especially in infancy, due to obstruction of the movement of cerebrospinal fluid, often causing great enlargement of the head; water on the brain.
- hydrochloric — of or derived from hydrochloric acid.
- hydrocolloid — a substance that forms a colloid when combined with water.
- hydrocooling — the process or technique of arresting the ripening of fruits and vegetables after harvesting by immersion in ice water.
- hydrocracker — a high-pressure processing unit used for hydrocracking.
- hydroculture — A type of hydroponics in which plants are grown in a medium that allows the distribution of water and nutrients through capillary action.
- 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.
- hydroecology — The study of support systems in wetlands such as the interactions between water and wildlife habitats.