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单词 paramecium
释义

WordReference Random House Unabridged Dictionary of American English © 2024
par•a•me•ci•um  (par′ə mēshē əm, -shəm, -sē əm),USA pronunciation n., pl. -ci•a 
    (-shē ə, -sē ə).USA pronunciation 
  1. Microbiologyany ciliated freshwater protozoan of the genus Paramecium, having an oval body and a long, deep oral groove.
  • Greek paramé̄k(ēs) oblong, oval + Neo-Latin -ium noun, nominal suffix; see -ium
  • Neo-Latin
  • 1745–55

Collins Concise English Dictionary © HarperCollins Publishers::
paramecium /ˌpærəˈmiːsɪəm/ n ( pl -cia / -sɪə/)
  1. any freshwater protozoan of the genus Paramecium, having an oval body covered with cilia and a ventral ciliated groove for feeding: phylum Ciliophora (ciliates)
Etymology: 18th Century: New Latin, from Greek paramēkēs elongated, from para-1 + mēkos length
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更新时间:2024/11/11 5:53:39