12-letter words containing h, a, c, i, o
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemophiliacs — Plural form of hemophiliac.
- hepaticology — the scientific study of bryophyte plants known as hepatics or liverworts
- hepatoxicity — Toxicity that affects the liver.
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- heroicomical — blending heroic and comic elements: a heroicomic poem.
- heterosocial — relating to or denoting mixed-sex social relationships
- heterotactic — of, relating to, or characterized by heterotaxis.
- hexachloride — a chloride containing six atoms of chlorine.
- hexacosanoic — as in hexacosanoic acid
- hexadecanoic — Of or pertaining to hexadecanoic acid or its derivatives.
- hidrocystoma — An adenoma of the sweat glands.
- hierocracies — Plural form of hierocracy.
- hierographic — of or relating to hierographs
- hierophantic — (in ancient Greece) an official expounder of rites of worship and sacrifice.
- high command — the leadership or highest authority of a military command or other organization.
- 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.
- hippocentaur — Centaur.
- hippocrepian — (of an aquatic organism or plant) shaped like a horseshoe
- hippopotamic — like, of, or relating to a hippopotamus
- hire company — a company that hires things out to people
- histiocytoma — A tumour consisting of histiocytes.
- 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.
- histrionical — (British) Alternative form of histrionic.
- 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.
- 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.
- holophrastic — using or consisting of a single word that functions as a phrase or sentence.
- home machine — 1. Synonym home box. 2. The machine that receives your e-mail. These senses might be distinct, for example, for a hacker who owns one computer at home, but reads e-mail at work.
- homoeopathic — Alternative spelling of homeopathic.
- homolecithal — having a fairly uniform distribution of yolk, as certain eggs or ova having relatively little yolk.
- homoromantic — Romantically attracted to those of the same gender.
- horometrical — Relating to horometry.
- horrifically — causing horror.
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- hovering act — an act forbidding or restricting the loitering of foreign or domestic vessels within the prescribed limits of a coastal nation.
- humification — the formation of humus.
- hydrodynamic — pertaining to forces in or motions of liquids.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydrographic — the science of the measurement, description, and mapping of the surface waters of the earth, with special reference to their use for navigation.
- hydrological — the science dealing with the occurrence, circulation, distribution, and properties of the waters of the earth and its atmosphere.
- 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
- hydrostatics — the branch of hydrodynamics that deals with the statics of fluids, usually confined to the equilibrium and pressure of liquids.
- hydroxy acid — an organic acid containing both a carboxyl and a hydroxyl group.
- hygrochastic — of or relating to the opening of a fruit or flower caused by water or moisture
- hygrographic — of or relating to a hygrograph