Bra
Pronunciation
- enPR: brä, IPA: /brÉ‘Ë/
- Rhymes: -É‘Ë
Origin 1
Shortened from brassiere.
Origin 2
From bracket
Noun
bra
(plural bras)- (physics) One of the two vectors in the standard notation for describing quantum states in quantum mechanics, the other being the ket.
Related terms
Antonyms
Origin 3
Representing a different pronunciation of bro, meaning brother