| 单词 | acrogen |
| 释义 | acrogen (once / 200328 pages) n WORD FAMILY acrogen: acrogenous, acrogens USAGE EXAMPLESThe age of Coal Plants, or Acrogens, or the Carboniferous age. Webster, Noah, Webster's Unabridged Dictionary(2012) The Carboniferous age was, even more emphatically than the Devonian, an age of Acrogens and Conifers. Dawson, Sir J. William, The Chain of Life in Geological Tim...(2011) Acrogens, or Acrogenous Plants, a name for the vascular cryptogamous plants, 156. Gray, Asa, The Elements of Botany—For Beginner...(2010) n any flowerless plant such as a fern (pteridophyte) or moss (bryophyte) in which growth occurs only at the tip of the main stem Hyper flora, plant, plant life (botany) a living organism lacking the power of locomotion |
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