DISINTEGRATE v.
To separate into integrant parts; to reduce to fragments or to powder; to break up, or cause to fall to pieces, as a rock, by blows of a hammer, frost, rain, and other mechanical or atmospheric influences. Marlites are not disintegrated by exposure to the atmosphere, at least in six years. Kirwan.
DISPEL v.
dispel a cloud, vapors, cares, doubts, illusions. [Satan] gently raised their fainting courage, and dispelled their fears. Milton. I saw myself the lambent easy light Gild the brown horror, and dispel the night. Dryden.