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hymenium

[hahy-mee-nee-uh m]
noun, plural hy·me·ni·a [hahy-mee-nee-uh] /haɪˈmi ni ə/. Mycology.
  1. the sporogenous layer in a fungus, composed of asci or basidia often interspersed with various sterile structures, as paraphyses.
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Origin of hymenium

From New Latin, dating back to 1820–30; see origin at hymen, -ium
Related formshy·me·ni·al, adjectivesub·hy·me·ni·al, adjectivesub·hy·me·ni·um, noun, plural sub·hy·me·ni·a.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for hymenium

hymenium

noun plural -nia (-nɪə) or -niums
  1. (in basidiomycetous and ascomycetous fungi) a layer of cells some of which produce the spores
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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

hymenium in Science

hymenium

[hī-mēnē-əm]
Plural hymenia
  1. The spore-bearing layer of the fruiting body of certain fungi, containing asci or basidia.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.