- to pass into or through every part of: Bright sunshine permeated the room.
- to penetrate through the pores, interstices, etc., of.
- to be diffused through; pervade; saturate: Cynicism permeated his report.
- to become diffused; penetrate.
Origin of permeate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to penetrate or pervade (a substance, area, etc)a lovely smell permeated the room
- to pass through or cause to pass through by osmosis or diffusionto permeate a membrane
Word Origin for permeate
C17: from Latin permeāre, from per- through + meāre to pass
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
1650s, from Latin permeatus, past participle of permeare "to pass through" (see permeable). Related: Permeated; permeating.
Online Etymology Dictionary, © 2010 Douglas Harper
- To spread or flow throughout; pervade.
- To pass through the openings or interstices of, as a liquid through a membrane.
- One that can permeate.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.