Dis·in·te·grate v. t. [imp. & p. p. Disintegrated; p. pr. & vb. n. Disintegrating.] 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.