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acrogen

[ak-ruh-juh n, -jen]
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noun Botany.
  1. a flowerless plant growing and producing its reproductive structures at the apex only, as ferns and mosses.
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Origin of acrogen

First recorded in 1835–45; acro- + -gen
Related formsac·ro·gen·ic [ak-ruh-jen-ik] /ˌæk rəˈdʒɛn ɪk/, a·crog·e·nous [uh-kroj-uh-nuh s] /əˈkrɒdʒ ə nəs/, adjectivea·crog·e·nous·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for acrogen

Historical Examples

  • Acrogen, ak′ro-jen, n. a plant that grows at the top chiefly, as a tree-fern.

    Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)

    Various


British Dictionary definitions for acrogen

acrogen

noun
  1. any flowerless plant, such as a fern or moss, in which growth occurs from the tip of the main stem
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Derived Formsacrogenic (ˌækrəˈdʒɛnɪk) or acrogenous (əˈkrɒdʒɪnəs), adjectiveacrogenously, adverb

Word Origin

C19: from acro- + Greek genēs born; see -gen
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012