• synonyms


adjective Biology.
  1. pertaining to, composed of, or provided with vessels or ducts that convey fluids, as blood, lymph, or sap.
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Also vas·cu·lose [vas-kyuh-lohs] /ˈvæs kyəˌloʊs/, vas·cu·lous [vas-kyuh-luh s] /ˈvæs kyə ləs/.

Origin of vascular

From the New Latin word vāsculāris, dating back to 1665–75. See vasculum, -ar1
Related formsvas·cu·lar·i·ty [vas-kyuh-lar-i-tee] /ˌvæs kyəˈlær ɪ ti/, nounvas·cu·lar·ly, adverbhy·per·vas·cu·lar, adjectivehy·per·vas·cu·lar·i·ty, nounin·ter·vas·cu·lar, adjectivenon·vas·cu·lar, adjectivenon·vas·cu·lar·ly, adverbnon·vas·cu·lose, adjectivenon·vas·cu·lous, adjectiveun·vas·cu·lar, adjectiveun·vas·cu·lar·ly, adverbun·vas·cu·lous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for non-vascular

Historical Examples

  • The same vascular and non-vascular serous reduplications are found passing between the ileum and ccum.

    The Anatomy of the Human Peritoneum and Abdominal Cavity

    George. S. Huntington

  • The preparation illustrates the type resulting from the reduction in size and extent of the non-vascular and mesenteric folds.

  • The non-vascular intermediate fold extends to the rest of the appendix.

  • Wounds of non-vascular bodies such as these are always slow to heal, and, by reason of their slowness, invite septic infection.

    Diseases of the Horse's Foot

    Harry Caulton Reeks

  • Cartilage being a non-vascular tissue, the reparative process goes on slowly, and it may be many weeks before it is complete.

    Manual of Surgery

    Alexis Thomson and Alexander Miles

British Dictionary definitions for non-vascular


  1. biology anatomy of, relating to, or having vessels that conduct and circulate liquidsa vascular bundle; the blood vascular system
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Derived Formsvascularity (ˌvæskjʊˈlærɪtɪ), nounvascularly, adverb

Word Origin

C17: from New Latin vāsculāris, from Latin: vasculum
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 non-vascular


also nonvascular, 1815, from non- + vascular.

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1670s, from Modern Latin vascularis "of or pertaining to vessels or tubes," from Latin vasculum, diminutive of vas "vessel."

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Online Etymology Dictionary, © 2010 Douglas Harper

non-vascular in Medicine


  1. Of, relating to, or containing blood vessels.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

non-vascular in Science


  1. Relating to the vessels of the body, especially the arteries and veins, that carry blood and lymph.
  2. Relating to or having xylem and phloem, plant tissues highly specialized for carrying water, dissolved nutrients, and food from one part of a plant to another. Ferns and all seed-bearing plants have vascular tissues; bryophytes, such as mosses, do not. See more at phloem xylem.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.