Pronunciation: (pûr'mē-āt"), [key]
—v., -at•ed, -at•ing.
1. to pass into or through every part of: Bright sunshine permeated the room.
2. to penetrate through the pores, interstices, etc., of.
3. to be diffused through; pervade; saturate: Cynicism permeated his report.
to become diffused; penetrate.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.