Definition of diffuses:
(v) :
(transitive) To spread (something) over or through as in air, water, or other matter, especially by fluid motion or passive means.
(v) :
(intransitive) To be spread over or through as in air, water, or other matter, especially by fluid motion or passive means.
(adj) :
Everywhere or throughout everything; not focused or concentrated.
(adj) :
Wordy; verbose.