1
- used before the second or further of two or more alternatives (the first being introduced by a negative such as 'neither' or 'not') to indicate that they are each untrue or each do not happen用于第二个及其后的否定也不：
they were neither cheap nor convenient
它们既不便宜也不方便
the sheets were never washed, nor the towels, nor his shirts.
床单从未洗过, 毛巾也从不清洗, 衬衫也是。
2
- used to introduce a further negative statement［用于引导下一个否定陈述］也不, 亦非：
the struggle did not end, nor was it any less diminished.
斗争没有结束, 也丝毫没有减弱。
3
- conjunction or prep. archaic or dialect than〈古或方〉比：
she thinks she knows better nor me.
她认为她比我更加了解。
(一般作NOR)
1- Electronics a Boolean operator which gives the value one if and only if all operands have a value of zero and otherwise has a value of zero【电子】“或非”。
1.1
- （亦作NOR gate）a circuit which produces an output signal only when there are no signals on any of the input connections“或非”门。
词源
Middle English: contraction of Old English nother 'neither'.