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Dictionary

Words, grammatical forms and meanings linked to the ontology.

NOR en · NOUN

Etymology

From nor. Reinterpreted as NOT + OR or negation + OR (see also NAND, formed analogically).

Meanings

  1. A binary operator composite of NOT OR; negation of OR function.
    • The output state of the NOR gate will be high (1) when all the inputs are low (0). NOR gate returns the complement result of the OR gate. 2025 August 30, “Logic Gates - Definition, Types, Uses”, in GeeksforGeeks, archived from the original on 11 Sep 2025:
    • The associativity of OR and AND is not at all obvious. It is tempting to assume that because OR and AND are commutative that they must be associative also. This is not the case, however, and some commutative Boolean operators are not associative. Examples include NAND and NOR. 2022 August 4, William Bahn, “Boolean Algebra Laws—Delving Into Boolean Identities”, in All About Circuits:
    • 0 NOR 0 is 1; 1 NOR anything is 0.
  2. (abbreviation, acronym, alt-of) Acronym of nucleolus organiser region.

Forms

SpellingFeaturesLabelsSource
NORs Number=Plur lexicographic

Antonyms

OR

Deriveds

XNOR

Relateds

AND · XOR · NOT · NAND · OR

Translations (11)

ro NOT OR (NOT OR) · ja NOR (noa) (NOT OR) · ms TAK-ATAU (NOT OR) · fi EI-TAI (NOT OR) · fr NON-OU (NOT OR) · eo malaŭ (NOT OR) · ja 否定論理和 (NOT OR) · ro SAU NEGAT (NOT OR) · fi NOR (NOT OR) · fi TAI-EI (NOT OR) · ro NOR (NOT OR)