nor

[ nawr; unstressed ner ]
/ nɔr; unstressed nər /

conjunction

(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.

Origin of nor

1300–50; Middle English, contraction of nother, Old English nōther, equivalent to ne not + ōther (contraction of ōhwæther) either; cf. or1

WORDS THAT MAY BE CONFUSED WITH nor

and and/or nor or (see usage note at and) (see usage note at and/or)

usage note for nor

See neither.

Definition for nor (2 of 5)

NOR
[ nawr ]
/ nɔr /

noun

a Boolean operator that returns a positive result when both operands are negative.

Origin of NOR

1955–60

Definition for nor (3 of 5)

Definition for nor (4 of 5)

Definition for nor (5 of 5)

nor-

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)

nor
/ (nɔː, unstressed ) /

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)

nor-

combining form

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

Medicine definitions for nor

nor-

pref.

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

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.