Applied to various (often specialised and underground) genres of music and subcultures.

Completely, down to one's very essence.

(historical units of measure) Alternative form of cor: a former Hebrew and Phoenician unit of volume.

The central part of a fruit, containing the kernels or seeds. / The heart or inner part of a physical thing. / The anatomical core, muscles which bridge abdomen and thorax.

Acronym of corporate responsibility.

Acronym of Congress of Racial Equality. / Acronym of Center for Operations Research and Econometrics. / Acronym of Consortium for Oceanographic Research and Education.

Obsolete form of Korah.

(obsolete) A body of individuals; an assemblage.

(automotive, machinery, aviation, marine) A deposit paid by the purchaser of a rebuilt part, to be refunded on return of a used, rebuildable part, or the returned rebuildable part itself.

Forming the most important or essential part.