The atomic unit of energy, defined as 2R_∞hc, where R_∞ is the Rydberg constant, h is the Planck constant and c is the speed of light.

Alternative form of nawab

Relating to radiotelephones.

(idiomatic) To defer action or decision until another matter is finished or resolved. / (idiomatic) To await a seemingly inevitable event, especially one that is not desirable.