Definition of "comminution" [com•mi•nu•tion]

• The breaking or grinding up of a material to form smaller particles. (noun)
• Fracture of a bone site in multiple pieces (at least three); crumbling. (noun)

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• "The progression from the comminution till and gravelly mud of Units 3 and 2 into the diatomaceous mud of Unit 1 likely represents the Last Glacial Maximum to Holocene transition in the northwestern Weddell Sea."
• "Unit 3 (150–230 cm) consists of a structureless black mud with elevated shear strength, which represents a comminution till deposited under grounded ice (Domack et al., 2001a)."
• "For though it be true that the most solid bodies have pores, still air or spirit do not easily submit to such extremely fine comminution, just as water refuses to run out at very small chinks."