noun🔗ShareOne of the two vectors in the standard notation for describing quantum states in quantum mechanics, the other being the ket."In quantum mechanics lectures, students learn to distinguish between "kets" and their corresponding "bras," which are essential for describing the probability amplitudes of quantum states. "physicstheorymathChat with AIVocabulary GamePractice Reading
noun🔗ShareFemale version of bro""Even though Sarah and I just met, we instantly clicked and now we're total bras who support each other's goals." "personhumanfamilylanguageChat with AIVocabulary GamePractice Reading
noun🔗ShareAn item of underwear worn to support the breasts; now commonly shortened to bra."She bought two new bras at the department store because her old ones were uncomfortable. "wearitembodyChat with AIVocabulary GamePractice Reading
