crumbling
verb
Definitions
To fall apart; to disintegrate.
Example: The empire crumbled when the ruler's indiscretions came to light.
To break into crumbs.
Example: We crumbled some bread into the water.
To mix (ingredients such as flour and butter) in such a way as to form crumbs.
Example: Using your fingers, crumble the ingredients with the fingertips, lifting in an upward motion, until the mixture is sandy and resembles large breadcrumbs.
noun
Definitions
Material that has crumbled away; crumbs.