1. 
[syn: permeant, permeating, permeative, pervasive]
The Collaborative International Dictionary of English v.0.48:
Permeant \Per"me*ant\, a. [L. permeans, p. pr.]
   Passing through; permeating. [R.] --Sir T. Browne.
   [1913 Webster]
WordNet (r) 3.0 (2006):
permeant
    adj 1: spreading or spread throughout; "armed with permeative
           irony...he punctures affectations"; "the pervasive odor
           of garlic"; "an error is pervasive if it is material to
           more than one conclusion" [syn: permeant, permeating,
           permeative, pervasive]