tetracycline

名词 n.

英文释义

名词 n.
  1. A yellow crystalline broad-spectrum antibiotic C₂₂H₂₄N₂O₈ produced by streptomyces or synthetically. uncountable
  2. Any of a large group of antibiotics with the same general structure derived from tetracene with many hydroxyl and other groups. countable

词形变化

tetracyclines plural tet abbreviation

词源

Etymology tree
Proto-Indo-European *kʷetwóres
Proto-Hellenic *kʷétwores
Ancient Greek τέσσᾰρες (téssăres)
Ancient Greek τετρᾰ- (tetră-)bor.
English tetra-
Proto-Indo-European *kʷel-
Proto-Indo-European *kʷékʷlos
Ancient Greek κύκλος (kúklos)
Proto-Indo-European *-kos
Ancient Greek -κός (-kós)
Ancient Greek -ικός (-ikós)
Ancient Greek κυκλῐκός (kuklĭkós)bor.
Classical Latin cyclicuslbor.
Middle French cyclique
French cycliquebor.

Classical Latin cyclicusbor.
English cyclic
English tetracyclic
Proto-Indo-European *-nós
Proto-Indo-European *-iHnos
Proto-Italic *-īnos
Latin -īnusder.
Old French -inbor.
Middle English -in
English -ine
English tetracycline
From tetracyclic + -ine.
0 次浏览 数据来源: Wiktionary