noun
magnetic quantum number
Physics term; one of the quantum numbers describing an electron's orbital, specifying the component of the orbital angular momentum along a given axis.
磁気量子数は、原子軌道の向きを決める量子数です。
The magnetic quantum number is the quantum number that determines the orientation of an atomic orbital.
Compound of 磁気 (magnetism) + 量子 (quantum) + 数 (number), a calque of English 'magnetic quantum number'.