(mineralogy) A monoclinic-prismatic tobacco green mineral containing chlorine, copper, oxygen, and selenium.

A nonvolatile, fat-soluble organophosphate with ectoparasiticidal properties.

(computer science) Synonym of Fenwick tree

(intransitive) To become foamy, create a foam; to rise with a foamy surface or covered with something resembling foam / (intransitive, figuratively) To take place, arise, erupt, develop.