英语词汇dihydr-的发音释义、词根词缀、结构分析、同源词、词频及词根记忆法-英语词根词缀词典

dihydr-
combining form
or dihydro-
: combined with two atoms of hydrogen
dihydroergotamine

dihydro-, dihydr- Chem.[f. di-² + hydro-.]Having two atoms of hydrogen in combination. diˌhydrostreptoˈmycin, a hydrogenated derivative of streptomycin with similar antibiotic properties.1873Fownes' Chem. (ed. 11) 334 Dihydro-tetrasodic carbonate may be regarded as a compound of the neutral and acid salts.1946Jrnl. Amer. Chem. Soc. LXVIII. 1390/2 Streptomycin has been catalytically hydrogenated to dihydrostreptomycin.1951A. Grollman Pharmacol. & Therap. xxii. 456 Although large doses of dihydrostreptomycin induce the same vestibular disturbances as does streptomycin, it is much less neurotoxic.1970Passmore & Robson Compan. Med. Studies II. xx. 31/2 Dihydrostreptomycin..is now rarely used because it is more likely than streptomycin to damage the cochlear nerve and produce deafness.

dihydr- combining form see dihydro-.

dihydr-
combining form
or dihydro-
Etymology: International Scientific Vocabulary di- + hydr-
: combined with two atoms of hydrogen — in names of chemical compounds
< dihydronaphthalene >

词汇	dihydr-
词根词缀	MWCD OED SOED Webster dihydr- combining form or dihydro- : combined with two atoms of hydrogen dihydroergotamine dihydro-, dihydr- Chem.[f. di-² + hydro-.]Having two atoms of hydrogen in combination. diˌhydrostreptoˈmycin, a hydrogenated derivative of streptomycin with similar antibiotic properties.1873Fownes' Chem. (ed. 11) 334 Dihydro-tetrasodic carbonate may be regarded as a compound of the neutral and acid salts.1946Jrnl. Amer. Chem. Soc. LXVIII. 1390/2 Streptomycin has been catalytically hydrogenated to dihydrostreptomycin.1951A. Grollman Pharmacol. & Therap. xxii. 456 Although large doses of dihydrostreptomycin induce the same vestibular disturbances as does streptomycin, it is much less neurotoxic.1970Passmore & Robson Compan. Med. Studies II. xx. 31/2 Dihydrostreptomycin..is now rarely used because it is more likely than streptomycin to damage the cochlear nerve and produce deafness. dihydr- combining form see dihydro-. dihydr- combining form or dihydro- Etymology: International Scientific Vocabulary di- + hydr- : combined with two atoms of hydrogen — in names of chemical compounds < dihydronaphthalene >
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