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单词 tetracycline
释义

WordReference Random House Learner's Dictionary of American English © 2024
tet•ra•cy•cline /ˌtɛtrəˈsaɪklin, -klɪn/USA pronunciation   n. [uncountable]
  1. Drugsan antibiotic drug made from a mold.

WordReference Random House Unabridged Dictionary of American English © 2024
tet•ra•cy•cline  (te′trə sīklēn, -klin),USA pronunciation n. [Pharm.]
  1. Drugsan antibiotic, C22H24H2O8, derived from chlortetracycline, used in medicine to treat a broad variety of infections.
  • tetra- + cycl- + -ine 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::
tetracycline /ˌtɛtrəˈsaɪklaɪn -klɪn/ n
  1. an antibiotic synthesized from chlortetracycline or derived from the bacterium Streptomyces viridifaciens: used in treating rickettsial infections and various bacterial infections. Formula: C22H24N2O8
Etymology: 20th Century: from tetra- + cycl( ic) + -ine²
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