Initialism of Book Citation Index.

(aviation, UK) Abbreviation of British Civil Airworthiness Requirements. / (UK) Abbreviation of British Council for Aid to Refugees.

(proteomics, oncology) Acronym of breast cancer anti-estrogen resistance protein. / (genetics, oncology) Acronym of breast cancer anti-estrogen resistance gene.

(construction, excavation) Initialism of bank cubic meter. A measure of the original volume of excavated material as it was in the ground, prior to removal

Initialism of billions of cubic metres.

(text messaging, informal) Abbreviation of because.

(medicine) Initialism of blood culture-negative infective endocarditis.

(linguistics) Initialism of Bosnian, Croatian, Montenegrin and Serbian treated commonly (Serbo-Croatian)