- pertaining to, composed of, or provided with vessels or ducts that convey fluids, as blood, lymph, or sap.
Also vas·cu·lose [vas-kyuh-lohs] /ˈvæs kyəˌloʊs/, vas·cu·lous [vas-kyuh-luh s] /ˈvæs kyə ləs/.
Origin of vascular
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for nonvascular
It varies in thickness, is quite insensible and nonvascular, and consists of a sheet of cells.Special Report on Diseases of Cattle
U.S. Department of Agriculture
- biology anatomy of, relating to, or having vessels that conduct and circulate liquidsa vascular bundle; the blood vascular system
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 nonvascular
1670s, from Modern Latin vascularis "of or pertaining to vessels or tubes," from Latin vasculum, diminutive of vas "vessel."
Online Etymology Dictionary, © 2010 Douglas Harper
- Relating to the changes in the lumen of blood vessels in response to pain.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Relating to the vessels of the body, especially the arteries and veins, that carry blood and lymph.
- 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.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.