paramecium

英 [,pærə'miːsɪəm] 美 [,pærə'misɪəm]
  • n. [无脊椎] 草履虫，草履虫属
paramecium
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英文词源

paramecium (n.)
1752, Modern Latin Paramecium, the genus name, coined from Greek paramekes "oblong, oval," from para- "on one side" (see para- (1)) + mekos "length," related to makros "long" (see macro-).