Definition of: permeate

(pûr′mē·āt) v. ·at·ed, ·at·ing v.t.
1. To spread thoroughly through; pervade.
2. To pass through the pores or interstices of.
—v.i.
3. To spread itself. [<L permeatus, pp. of permeare <per- through + meare pass]
—per′me·ant adjective
—per′me·a′tion noun
—per′·me·a′tive adjective