• synonyms


[mem-bruh-nuh s]
See more synonyms for membranous on Thesaurus.com
  1. consisting of, of the nature of, or resembling membrane.
  2. characterized by the formation of a membrane.
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Also mem·bra·na·ceous [mem-bruh-ney-shuh s] /ˌmɛm brəˈneɪ ʃəs/.

Origin of membranous

1590–1600; membrane + -ous; compare French membraneux
Related formsmem·bra·nous·ly, adverbin·ter·mem·bra·nous, adjectivesem·i·mem·bra·nous, adjectivesub·mem·bra·na·ceous, adjectivesub·mem·bra·nous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for membranous

Historical Examples

  • The veil is membranous and forms a persistent ring on the stem.

    The Mushroom, Edible and Otherwise

    M. E. Hard

  • This will leave a membranous bag that can be used in place of the parchment bag.

    Common Science

    Carleton W. Washburne

  • Membranous or eous: composed of membrane or skin-like tissue.

  • Gymnoptera: species with membranous wings not covered with scales.

  • Pre-halter: a membranous scale in front of the true haltere of a fly.

British Dictionary definitions for membranous


membraneous (mɛmˈbreɪnɪəs) or membranaceous (ˌmɛmbrəˈneɪʃəs)

  1. of or relating to a membrane
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Derived Formsmembranously, adverb
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

Word Origin and History for membranous


1590s, from Middle French membraneux (16c.), from membrane, from Latin membrana (see membrane).

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Online Etymology Dictionary, © 2010 Douglas Harper

membranous in Medicine


  1. Relating to, made of, or similar to a membrane.
  2. Characterized by the formation of a membrane or a layer similar to a membrane.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

membranous in Science


  1. Relating to, made of, or similar to a membrane.
  2. Characterized by the formation of a membrane or a layer like a membrane.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.