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单词 gemma
释义

WordReference Random House Unabridged Dictionary of American English © 2024
gem•ma  ( jemə),USA pronunciation n., pl. gem•mae 
    (jemē).USA pronunciation 
  1. Botanya bud.
  2. Botanya cell or cluster of cells, or a leaflike or budlike body, that separates from the parent plant to form a new organism, as in mosses and liverworts.
  • Latin: bud, gem
  • 1760–70

Collins Concise English Dictionary © HarperCollins Publishers::
gemma /ˈdʒɛmə/ n ( pl -mae / -miː/)
  1. a small asexual reproductive structure in liverworts, mosses, etc, that becomes detached from the parent and develops into a new individual
  2. another name for gemmule
Etymology: 18th Century: from Latin: bud, gem
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