(organic chemistry) The sesquiterpenoid ketone 2,2,4,4-tetramethyl-6-(3-methylbutanoyl)cyclohexane-1,3,5-trione

(biology) A juxtamembrane domain

A civil parish in north-west South Staffordshire district, Staffordshire, England.

(computing theory) An algorithm for approximating the number of distinct elements in a stream with a single pass and logarithmic space consumption.