noun🔗ShareA term for a marijuana cigarette ('joint')."After a stressful day at work, Mark wanted to relax and smoke a j. "substancecultureChat with AIVocabulary GamePractice Reading
noun🔗ShareAn alternative version of i, the positive square root of -1; used in the context of electronics."In electrical engineering calculations, engineers often use "j" instead of "i" to represent the imaginary unit. "electronicstechnicalmathChat with AIVocabulary GamePractice Reading
noun🔗ShareThe second unit vector, after i"In this physics problem, we need to calculate the vector's y-component, which is represented by the j. "mathphysicsChat with AIVocabulary GamePractice Reading
