bec

A diminutive of the female given name Rebecca, from Hebrew.

(computer security) Initialism of business email compromise, a kind of cyberattack.

(physics) Abbreviation of Bose-Einstein condensate. [(physics) A gaseous superfluid phase of matter in which all the particles have the same quantum state.]

(slang, vulgar) Initialism of bitch eating crackers (“contemptible person”). [(slang, derogatory, vulgar) A person for whom one feels a strong and disproportionate dislike, to the extent that almost anything they do makes one angry or annoyed.]