12-letter words containing a, s, i, c
- half section — a part that is cut off or separated.
- half-section — a part that is cut off or separated.
- hallucinates — to have hallucinations.
- hallucinosis — a mental state characterized by repeated hallucinations.
- handicappeds — Plural form of handicapped.
- handicappers — Plural form of handicapper.
- handstitched — Stitched by hand.
- hard science — any of the natural or physical sciences, as chemistry, biology, physics, or astronomy, in which aspects of the universe are investigated by means of hypotheses and experiments.
- harpsichords — Plural form of harpsichord.
- harvest tick — chigger (def 1).
- hash cookies — biscuits containing cannabis
- helical scan — denoting a recording technique used with video tapes in which the recorded tracks on the tape are segments of a helix
- helicographs — Plural form of helicograph.
- hellaciously — In a hellacious manner.
- hemerocallis — the genus comprising the day lilies.
- hemodynamics — the branch of physiology dealing with the forces involved in the circulation of the blood.
- hemophiliacs — Plural form of hemophiliac.
- heterosocial — relating to or denoting mixed-sex social relationships
- hexacosanoic — as in hexacosanoic acid
- hidrocystoma — An adenoma of the sweat glands.
- hierarchists — hierarchical principles, rule, or influence.
- hierocracies — Plural form of hierocracy.
- hire charges — the amount of money it costs to hire something, such as a bike, car, etc
- 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.
- hit the sack — a large bag of strong, coarsely woven material, as for grain, potatoes, or coal.
- 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.
- horse racing — a contest of speed among horses that either are ridden by jockeys or pull sulkies and their drivers.
- hunting case — a watchcase with a hinged cover to protect the crystal.
- hydroelastic — undergoing a change in elasticity as a result of the flow of water or another fluid
- hydronautics — (nautical) The science of the design and construction of ships, their engines, and their instrumentation.
- hydrostatics — the branch of hydrodynamics that deals with the statics of fluids, usually confined to the equilibrium and pressure of liquids.
- hygrochastic — of or relating to the opening of a fruit or flower caused by water or moisture
- hyper-social — relating to, devoted to, or characterized by friendly companionship or relations: a social club.
- hyperalgesic — Of or pertaining to hyperalgesia.
- hyperplastic — Of, or relating to hyperplasia.
- hypersomniac — a tendency to sleep excessively.
- hypsographic — a branch of geography that deals with the measurement and mapping of the topography of the earth above sea level.
- hysterically — of, relating to, or characterized by hysteria.
- iatrochemist — a person who practises iatrochemistry
- icbm address — (networking, humour) (Or "missile address") The form used to register a site with the Usenet mapping project includes a space for longitude and latitude, preferably to seconds-of-arc accuracy. This is actually used for generating geographically-correct maps of Usenet links on a plotter; however, it has become traditional to refer to this as one's "ICBM address" or "missile address", and many people include it in their sig block with that name. (A real missile address would include target altitude.)
- ice crystals — ice formations
- iceland moss — an edible lichen, Cetraria islandica, of arctic regions, containing a starchlike substance used in medicine.
- iceland spar — a transparent variety of calcite that is double-refracting and is used as a polarizer.
- ichthyosaurs — Plural form of ichthyosaur.