hydrogenate |
<chemistry> To hydrogenize. Origin: Hydrogenated; Hydrogenating. Source: Websters Dictionary (01 Mar 1998) |
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hydrogenation |
<chemistry> The adding of hydrogen to another molecule. <biochemistry> The adding of hydrogen to unsaturated hydrocarbons or fatty acids (hydrocarbons or fatty acids which contain carbon-carbon double bonds). Oils and fats used in making prepared foods are often hydrogenated to improve their shelf life. (09 Oct 1997) |
hydrogenide |
<chemistry> A binary compound containing hydrogen; a hydride. See Hydride. Source: Websters Dictionary (01 Mar 1998) |
hydrogenium |
<chemistry> Hydrogen; called also in view of its supposed metallic nature. Origin: NL. See Hydrogen. Source: Websters Dictionary (01 Mar 1998) |
hydrogenize |
<chemistry> To combine with hydrogen; to treat with, or subject to the action of, hydrogen; to reduce; contrasted with oxidize. Origin: Hydrogenised; Hydrogenising. Source: Websters Dictionary (01 Mar 1998) |
hydrogenlyase |
<enzyme> An enzyme which oxidizes hydrogen (removes its electrons) and attaches it to another molecule. (09 Oct 1997) |
hydrogenobyrinic acid synthase |
<enzyme> Pseudomonas denitrificans enzyme which is proposed to transfer a methyl group from c-11 to c-12 of precorrin-8x Registry number: EC 5.4.99.- Synonym: cobh gene product (26 Jun 1999) |
hydrogenosome |
<cell biology> Organelle found in certain anaerobic trichomonad and some ciliate protozoa: contains hydrogenase and produces hydrogen from glycolysis. Origin: Gr. Soma = body (05 May 1997) |
hydrogensulfite reductase |
<enzyme> Catalyses the reduction of sulfite mainly to trithionate with concomitant formation of thiosulfate and sulfide in the dissimilatory sulfate reduction pathway; see also trithionate reductase system Registry number: EC 1.8.99.3 Synonym: bisulfite reductase, dissimilatory sulfite reductase, desulfoviridin, desulforubidin, desulfofuscidin (26 Jun 1999) |
hydrogode |
<physics> The negative pole or cathode. Origin: Hydrogen + Gr. Way. Path. Source: Websters Dictionary (01 Mar 1998) |
hydrographer |
One skilled in the hydrography; one who surveys, or draws maps or charts of, the sea, lakes, or other waters, with the adjacent shores; one who describes the sea or other waters. Source: Websters Dictionary (01 Mar 1998) |
hydrographic |
Of or relating to hydrography. Source: Websters Dictionary (01 Mar 1998) |
hydrographical |
Of or relating to hydrography. Source: Websters Dictionary (01 Mar 1998) |
hydrography |
1. The art of measuring and describing the sea, lakes, rivers, and other waters, with their phenomena. 2. That branch of surveying which embraces the determination of the contour of the bottom of a harbor or other sheet of water, the depth of soundings, the position of channels and shoals, with the construction of charts exhibiting these particulars. Origin: Hydro-, 1: cf. F. Hydrographie. Source: Websters Dictionary (01 Mar 1998) |
hydroguret |
<chemistry> A hydride. Origin: From Hydrogen. Source: Websters Dictionary (01 Mar 1998) |