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nor

[nawr; unstressed ner]

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.

EXPAND

Archaic. (used instead of neither as correlative to a following nor): Nor he nor I was there.

COLLAPSE

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

Can be confused: and, and/or, nor, or (see usage note at and; see usage note at and/or).

Usage note
See neither.

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Nor is always a great word to know.

So is bezoar. Does it mean:

the offspring of a zebra and a donkey.

a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.

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Example Sentences

Nor is it possible to establish the impact of migration on overall growth.

But their leaders say they have seen none of the promised compensation for giving up mining nor investment in alternative jobs.

Neither funding agencies nor peer reviewers nor conference audiences will always agree.

EXPAND

Dictionary.com Unabridged

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:
short for normal

noun

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

Origin:
1955–60

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Link To NOR

Collins

World English Dictionary

nor (nɔː, (unstressed) nə)

—*conj, —prep* (foll by an auxiliary verb or have, do, or be used as main verbs)
1.	(used to join alternatives) neither ... nor and not: neither measles nor mumps
2.	(and) not … either: they weren't talented — nor were they particularly funny
3.	dialect than: better nor me
4.	poetic neither: nor wind nor rain

[C13: contraction of Old English nōther, from nāhwætherneither]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline

Word Origin & History

nor

c.1300, contraction of M.E. nauther (see neither). Influenced in form by or.

Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage

Medical Dictionary

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.
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FOLDOC

Computing Dictionary

NOR definition

Not OR.
The Boolean function which is true if none of its inputs are true and false otherwise, the logical complement of inclusive OR. The binary (two-input) NOR function can be defined (written as an infix operator):
A NOR B = NOT (A OR B) = (NOT A) AND (NOT B)
Its truth table is:
A | B | A NOR B --+---+--------- F | F | T F | T | F T | F | F T | T | F
NOR, like NAND, forms a complete set of Boolean functions on its own since it can be used to make NOT, AND, OR and any other Boolean function:
NOT A = A NOR A
A OR B = NOT (A NOR B)
A AND B = (NOT A) NOR (NOT B)
(1995-02-06)

American Heritage

Abbreviations & Acronyms

NOR