- of a glutinous nature or consistency; sticky; thick; adhesive.
- having the property of viscosity.
Origin of viscous
1350–1400; Middle English < Late Latin viscōsus, equivalent to Latin visc(um) mistletoe, birdlime (made with mistletoe berries) + -ōsus -ous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
- (of liquids) thick and sticky; viscid
- having or involving viscosity
Word Origin for viscous
C14: from Late Latin viscōsus; see viscose
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
late 14c., from Anglo-French viscous, from Late Latin viscosus "sticky," from Latin viscum "anything sticky, birdlime made from mistletoe, mistletoe," probably from PIE root *weis- "to melt away, flow" (used of foul or malodorous fluids); see virus.
Online Etymology Dictionary, © 2010 Douglas Harper
- Having relatively high resistance to flow.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Having relatively high resistance to flow (high viscosity).
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.