Definition of nor in English:


Line breaks: nor
Pronunciation: /nɔː
, nə

conjunction& adverb

1Used 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: they were neither cheap nor convenient the sheets were never washed, nor the towels, nor his shirts
More example sentences
  • The third condition is used in such a way that it entails neither the second condition nor the first.
  • Looking at the market's current valuation, it appears neither too expensive nor too cheap.
  • He explains that it's neither easy nor cheap to cast talented actors for just a small number of scenes.
1.1 [as adverb] literary term for neither. nor God nor demon can undo the done
2Used to introduce a further negative statement: ‘I don’t see how.’ ‘Nor do I.
More example sentences
  • She did not return to her GP for a second visit, nor was she taken into hospital on October 26.
  • Just checked, and it doesn't do alternative languages, nor does it even run to subtitles.
  • I did not threaten him or the Second Defendant nor did I become verbally abusive towards them at any time.
3 [conjunction or preposition] archaic or dialect Than: she thinks she knows better nor me


(usually NOR) Electronics Back to top  
1A 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.
1.1 (also NOR gate) A circuit which produces an output signal only when there are no signals on any of the input connections.
More example sentences
  • It is quite common to recognize two others as well: the NAND and the NOR gate.
  • He and his colleagues have already created the biological equivalent of many logical components common in the digital world, such as AND, NAND, and NOR gates.
  • In the report published in Science last November, Lieber's group demonstrate that their stacked nanowires can combine to a variety of logic elements, including OR, AND, and NOR gates.


Middle English: contraction of Old English nother 'neither'.

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