And so Liberalism had become a habit of Stepan Arkadyevitch’s, and he liked his newspaper, as he did his cigar after dinner, for the slight fog it diffused in his brain.
A little old man in civilian dress, arranging his gray curls before another mirror, and diffusing an odor of scent, stumbled against them on the stairs, and stood aside, evidently admiring Kitty, whom he did not know.
There are no more uses of "diffuse" in the book.
Show samples from other sources
When the United States focused on terrorism, the movement went further underground and became more diffuse.