permeate
Concise Oxford English Dictionary © 2008 Oxford University Press:
permeate /ˈpəːmɪeɪt/
▶verb spread throughout; pervade.
– derivatives
permeation noun,
permeator noun.
permeation noun,
permeator noun.
– origin C17: from L. permeat-, permeare ‘pass through’.
'permeate' also found in these Oxford entries:

