carbohydrate

carbohydrate
carbohydrate 1851, from carbo-, comb. form of CARBON (Cf. carbon), + HYDRATE (Cf. hydrate) (n.), denoting compound produced when certain substances combine with water, from Gk. hydor "water" (see WATER (Cf. water) (n.1)).
The name carbohydrate was given to these compounds because, in composition, they are apparently hydrates of carbon. In structure, however, they are far more complex. [Flood]

Etymology dictionary. 2014.

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  • Carbohydrate — Car bo*hy drate, n. [Carbon + hydrate.] (Physiol. Chem.) One of a group of compounds including the sugars, starches, and gums, which contain six (or some multiple of six) carbon atoms, united with a variable number of hydrogen and oxygen atoms,… …   The Collaborative International Dictionary of English

  • carbohydrate — [n] organic compound composed of carbon, hydrogen, and oxygen cellulose, dextrin, dextrose, disaccharide, fructose, galactose, glucose, glycogen, lactose, maltose, monosaccharide, polysaccharide, starch, sucrose, sugar; concept 478 …   New thesaurus

  • carbohydrate — ► NOUN ▪ any of a large group of compounds (including sugars, starch, and cellulose) which contain carbon, hydrogen, and oxygen, occur in foods and living tissues, and can be broken down to release energy in the body …   English terms dictionary

  • carbohydrate — [kär΄bō hī′drāt, kär′bəhī′drāt] n. [ CARBO + HYDRATE] any of certain organic compounds, including the sugars, starches, and celluloses, which usually have the general formula Cx (H2O) y: carbohydrates are subdivided into monosaccharides,… …   English World dictionary

  • carbohydrate — /kahr boh huy drayt, beuh /, n. any of a class of organic compounds that are polyhydroxy aldehydes or polyhydroxy ketones, or change to such substances on simple chemical transformations, as hydrolysis, oxidation, or reduction, and that form the… …   Universalium

  • Carbohydrate — Carbohydrates (from hydrates of carbon ) or saccharides (Greek σάκχαρον meaning sugar ) are the most abundant of the four major classes of biomolecules, which also include proteins, lipids and nucleic acids. They fill numerous roles in living… …   Wikipedia

  • carbohydrate — noun ADJECTIVE ▪ simple ▪ complex ▪ complex carbohydrates such as pasta ▪ refined ▪ unrefined VERB + CARBOHYDRATE …   Collocations dictionary

  • carbohydrate — I (New American Roget s College Thesaurus) n. sugar, starch (See organic matter). II (Roget s IV) n. Syn. starch, sugar, monosaccharide, disaccharide, polysaccharide, saccharide, glucose, sucrose, dextrose, fructose, lactose, galactose, maltose,… …   English dictionary for students

  • carbohydrate — UK [ˌkɑː(r)bəʊˈhaɪdreɪt] / US [ˌkɑrboʊˈhaɪˌdreɪt] noun Word forms carbohydrate : singular carbohydrate plural carbohydrates biology a) [countable/uncountable] a substance found in foods such as sugar, bread, and potatoes. Carbohydrates supply… …   English dictionary

  • Carbohydrate — Mainly sugars and starches, together constituting one of the three principal types of nutrients used as energy sources (calories) by the body. Carbohydrates can also be defined chemically as neutral compounds of carbon, hydrogen and oxygen.… …   Medical dictionary

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