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3 definitions found

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

 acrogen
 頂生植物

From: Webster's Revised Unabridged Dictionary (1913)

 Ac·ro·gen n.  Bot. A plant of the highest class of cryptogams, including the ferns, etc. See Cryptogamia.
 The Age of Acrogens Geol., the age of coal plants, or the carboniferous era.
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From: WordNet (r) 2.0

 acrogen
      n : any flowerless plant such as a fern (pteridophyte) or moss
          (bryophyte) in which growth occurs only at the tip of the
          main stem