nothingness

n [U] state of not being; state of being nothing 不存在; 无; 空: pass into nothingness 化为乌有.

not...but..., notability, notable, notably, notary, notation, notch, notched, note, note-taking, notebook, notecase, noted, notelet, notepad, notepaper, noteworthiness, noteworthy, nothing, nothing but, notice, notice-board, noticeable, noticeably, notifiable, notification, notify, notion, notional, notoriety, notorious, notoriously, notwithstanding, nougat, nought, noughts and crosses (US tick-tack-toe), noun, noun phrase, nourish, nourishing,