12-letter words containing h, a, r, d, c
- 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.
- harmonichord — a musical instrument resembling an upright piano intended to fuse the sound of a violin with the functionality of a piano, the tone therefore produced using friction rather than through striking
- harpsichords — Plural form of harpsichord.
- 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.
- hemichordate — belonging or pertaining to the chordates of the phylum Hemichordata, comprising small, widely distributed, marine animals, as the acorn worms.
- henceforward — from now on; from this point forward.
- 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.
- hidrocystoma — An adenoma of the sweat glands.
- hierarchized — Simple past tense and past participle of hierarchize.
- hitch a ride — hitchhike
- hydnocarpate — a salt or ester of hydnocarpic acid.
- hydraulicked — (of an extracted mineral) excavated using water
- 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.
- hydrocracker — a high-pressure processing unit used for hydrocracking.
- 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.
- hyperacidity — excessive acidity, as of the gastric juice.
- hyperdactyly — the presence of extra fingers or toes.
- hyperdynamic — (physiology) Describing an increase in both blood pressure and pulse pressure.
- hypermediacy — Hypermedia literacy; the state of being conversant with hypermedia technologies.
- 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.
- icosahedrons — Plural form of icosahedron.
- in the cards — a usually rectangular piece of stiff paper, thin pasteboard, or plastic for various uses, as to write information on or printed as a means of identifying the holder: a 3″ × 5″ file card; a membership card.
- interchanged — Simple past tense and past participle of interchange.
- lady teacher — a teacher who is a woman
- machairodont — having sabre-like teeth; sabre-toothed
- machine word — word (def 10).
- machine-word — a unit of language, consisting of one or more spoken sounds or their written representation, that functions as a principal carrier of meaning. Words are composed of one or more morphemes and are either the smallest units susceptible of independent use or consist of two or three such units combined under certain linking conditions, as with the loss of primary accent that distinguishes black·bird· from black· bird·. Words are usually separated by spaces in writing, and are distinguished phonologically, as by accent, in many languages.
- marsh orchid — any of various orchids of the genus Dactylorhiza, growing in damp places and having mostly purplish flowers
- merchandised — the manufactured goods bought and sold in any business.
- merchandiser — the manufactured goods bought and sold in any business.
- merchandises — the manufactured goods bought and sold in any business.
- merchandized — Simple past tense and past participle of merchandize.
- merchandizer — Alternative spelling of merchandiser.
- method actor — actor who follows the Method
- mitochondria — an organelle in the cytoplasm of cells that functions in energy production.