12-letter words containing c, h, e, d
- hallucinated — Simple past tense and past participle of hallucinate.
- hamming code — (algorithm) Extra, redundant bits added to stored or transmitted data for the purposes of error detection and correction. Named after the mathematician Richard Hamming, Hamming codes greatly improve the reliability of data, e.g. from distant space probes, where it is impractical, because of the long transmission delay, to correct errors by requesting retransmission.
- handicapable — (politically correct) disabled or handicapped.
- handicappeds — Plural form of handicapped.
- handicappers — Plural form of handicapper.
- handicrafter — One who engages in handicrafts.
- handkerchief — a small piece of linen, silk, or other fabric, usually square, and used especially for wiping one's nose, eyes, face, etc., or for decorative purposes.
- 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.
- hard-surface — to make the surface of (something) hard or firm, as by compacting or paving it: to hard-surface a parking area.
- hardscrabble — providing or yielding meagerly in return for much effort; demanding or unrewarding: the hardscrabble existence of mountainside farmers.
- head balance — headstand.
- head lettuce — any variety of the lettuce subspecies Lactuca sativa capitata, having leaves that grow in a dense rosette, especially iceberg lettuce and Boston lettuce.
- head teacher — A head teacher is a teacher who is in charge of a school.
- headkerchief — A kerchief worn on the head.
- hedge garlic — an erect, cruciferous herb, Sisymbrium officinale, having a garlicky odor.
- hedge-school — a school held out of doors in favourable weather, indoors in winter
- helicoptered — Simple past tense and past participle of helicopter.
- 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.
- henceforward — from now on; from this point forward.
- hendecagonal — (geometry) Having eleven sides an angles; similar to a hendecagon.
- heraldically — of, relating to, or characteristic of heralds or heraldry: heraldic form; heraldic images; heraldic history; a heraldic device.
- herbicidally — from a herbicidal point of view
- heroic drama — Restoration tragedy, especially that popular in England c1660–1700, using highly rhetorical language and written in heroic couplets.
- heterodactyl — having the first and fourth toes directed backward, and the second and third forward, as in trogons.
- hexachloride — a chloride containing six atoms of chlorine.
- hexadactylic — having six fingers or toes
- hexadecanoic — Of or pertaining to hexadecanoic acid or its derivatives.
- hexadecapole — (physics) Anything having sixteen poles or electrodes, or a combination of four quadrupoles.
- hiding place — location where sb is concealed
- hierarchized — Simple past tense and past participle of hierarchize.
- high-colored — deep in color; vivid.
- high-pitched — Music. played or sung at a high pitch.
- 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.
- historicized — Simple past tense and past participle of historicize.
- hit the deck — Nautical. a floorlike surface wholly or partially occupying one level of a hull, superstructure, or deckhouse, generally cambered, and often serving as a member for strengthening the structure of a vessel. the space between such a surface and the next such surface above: Our stateroom was on B deck.
- hitch a ride — hitchhike
- homeschooled — Simple past tense and past participle of homeschool.
- horse-doctor — an informal word for a vet who specializes in treating horses
- house doctor — a resident physician in a hospital, hotel, or other public institution.
- huffman code — Huffman coding
- 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.
- hydraulicked — (of an extracted mineral) excavated using water
- 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.
- 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.
- hydroecology — The study of support systems in wetlands such as the interactions between water and wildlife habitats.