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单词 tetracycline
释义 tet·ra·cy·cline
\ˌte.trəˈsīˌklīn, -_klə̇n\ noun
(-s)
Etymology: International Scientific Vocabulary tetracyclic + -ine
1. : a yellow crystalline broad-spectrum antibiotic C22H24N2O8 derived from an octa-hydro-naphthacene, produced by a soil actinomycete (Streptomyces viridifaciens), or prepared from chlortetracycline by catalytic reduction, and administered usually in the form of its hydrochloride
2. : any of various derivatives of tetracycline (as chlortetracycline or oxytetracycline)
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