[ nawr; unstressed ner ]
/ nɔr; unstressed nər /
(used in negative phrases, especially after neither, to introduce the second member in a series, or any subsequent member): Neither he nor I will be there. They won't wait for you, nor for me, nor for anybody.
(used to continue the force of a negative, as not, no, never, etc., occurring in a preceding clause): He left and I never saw him again, nor did I regret it.
(used after an affirmative clause, or as a continuative, in the sense of and not): They are happy, nor need we worry.
Older Use. than.
Archaic. (used without a preceding neither, the negative force of which is understood): He nor I was there.
Archaic. (used instead of neither as correlative to a following nor): Nor he nor I was there.
Quotes On The Importance Of ExpressionRead more in this article about some frequently asked questions and fun facts related to our definitions.
Origin of nor
1300–50; Middle English, contraction of nother, Old English nōther, equivalent to ne not + ōther (contraction of ōhwæther) either; cf. or1
Definition for nor (2 of 5)
[ nawr ]
/ nɔr /
a Boolean operator that returns a positive result when both operands are negative.
Origin of NOR
Definition for nor (3 of 5)
Definition for nor (4 of 5)
Definition for nor (5 of 5)
a combining form used in the names of chemical compounds which are the normal or parent forms of the compound denoted by the base words: l-norepinephrine.
Origin of nor-
short for normal
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for nor (1 of 2)
/ (nɔː, unstressed nə) /
conjunction, preposition (coordinating)
neither ... nor (used to join alternatives) and notneither measles nor mumps
(foll by an auxiliary verb or have, do, or be used as main verbs) (and) not … eitherthey weren't talented — nor were they particularly funny
dialect thanbetter nor me
poetic neithernor wind nor rain
Word Origin for nor
C13: contraction of Old English nōther, from nāhwæther neither
British Dictionary definitions for nor (2 of 2)
indicating that a chemical compound is derived from a specified compound by removal of a group or groupsnoradrenaline
indicating that a chemical compound is a normal isomer of a specified compound
Word Origin for nor-
by shortening from normal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for nor
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for nor
A precursor compound that differs from its successor by the absence of a radical group, usually methyl:norepinephrine.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Idioms and Phrases with nor
see hide nor hair; neither fish nor fowl; neither here nor there; rhyme or reason (neither rhyme nor reason).
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.