1. massing or clumping of materials together. 2. a clumped mass of material. familial aggregation the occurrence of more cases of a given disorder in close relatives of a person with the disorder than in control families. platelet aggregation platelet agglutination.
boule â(plural boules). 1  One of the bowls used in the French game of boules. 2  A single-crystal ingot produced by synthetic means. 3  A round loaf of bread. 4  A round piece of dough. ( 5 woodworking) A through-sawn log with the slices restacked in the order and orientation they originally had in the log, usually with waney edges.
For other uses, see Bort (disambiguation). Bort or boart is a term used in the diamond industry to refer to shards of non-gem-grade/quality diamonds. In the manufacturing and heavy industries, bort is used to describe dark, imperfectly formed/crystallized diamonds of varying levels of opacity.