Definify.com
Webster 1913 Edition
Pervasion
Per-va′sion
(pẽr-vā′zhŭn)
, Noun.
[L.
pervasio
. See Pervade
.] The act of pervading, passing, or spreading through the whole extent of a thing.
Boyle.
Webster 1828 Edition
Pervasion
PERVA'SION
,Noun.