(linguistics) Having phonological rules that allow consonant clusters.

plural of clusterization

(databases) A database field whose values serve as the keys of a clustered index.

plural of clustering key

Alternative form of clusterfuck

An explosive munition designed to explode in the air and release a cluster of smaller explosives, thus spreading the blast over a larger area.

(astronomy) a more or less irregular star cluster containing tens to thousands of stars

(astronomy) a densely-packed spherical star cluster containing thousands to millions of stars

(astronomy) A group of gravitationally bound stars and other material (such as nebulae and planets), conventionally with one generation of similarly aged stars from the same pre-stellar nebula.

(pathology) An extremely painful, cyclical and unilateral headache.