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单词 megaspore
释义 megaspore
 —megasporic /meg'euh spawr"ik, -spor"-/,  adj.  
 /meg"euh spawr', -spohr'/, n. Bot.
  1. the larger of the two kinds of spores characteristically produced by seed plants and a few fern allies, developing into a female gametophyte. Cf. microspore.
  2. the embryo sac of a flowering plant.
 Also called macrospore.
 [1885-90; MEGA- + SPORE]
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