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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 perisperm
 外胚乳

From: Webster's Revised Unabridged Dictionary (1913)

 Per·i·sperm n.  Bot. The albumen of a seed, especially that portion which is formed outside of the embryo sac. -- Per*i*sper*mic a.
 

From: WordNet (r) 2.0

 perisperm
      n : the nutritive tissue outside the sac containing the embryo
          in some seeds