N



[en] /ɛn/

noun, plural N’s or Ns, n’s or ns.
1.
the 14th letter of the English alphabet, a consonant.
2.
any spoken sound represented by the letter N or n, as in now, dinner, son, etc.
3.
something having the shape of an N .
4.
a written or printed representation of the letter N or n.
5.
a device, as a printer’s type, for reproducing the letter N or n.
Symbol.
1.
Physics. .
2.
Optics. .
1.
Physics. newton; newtons.
2.
.
3.
.
Symbol.
1.
the 14th in order or in a series, or, when I is omitted, the 13th.
2.
(sometimes lowercase) the medieval Roman numeral for 90.
Compare .
3.
Chemistry. .
4.
Biochemistry. .
5.
Mathematics. an indefinite, constant whole number, especially the degree of a quantic or an equation, or the order of a curve.
6.
Chess. .
7.
Printing. .
8.
Chemistry. .
9.
.
[uh n] /ən/
conjunction, Pronunciation Spelling.
1.
and:
Stop ‘n save. Look ‘n listen.
Chemistry.
1.
an abbreviated form of , used in the names of hydrocarbon compounds that have a normal or straight chain of carbon atoms:
n-3 fatty acid.
1.
variant of after a vowel:
Virginian.
1.
.
2.
.
3.
.
4.
.
5.
Chemistry. normal (strength solution).
6.
.
7.
.
8.
.
9.
Finance. .
10.
.
1.
.
1.
.
2.
.
3.
Commerce. .
4.
.
5.
.
6.
.
7.
.
8.
Chemistry. normal (strength solution).
9.
.
10.
.
11.
Finance. .
12.
.
13.
.
[uh n; when stressed an] /ən; when stressed æn/
conjunction
1.
Pronunciation Spelling. .
2.
Archaic. .
/ɛn/
noun (pl) n’s, N’s, Ns
1.
the 14th letter and 11th consonant of the modern English alphabet
2.
a speech sound represented by this letter, usually an alveolar nasal, as in nail
symbol
1.
neutron
2.
(optics) index of refraction
3.
nano-
/ɛn/
determiner
1.
an indefinite number (of): there are n objects in a box
symbol
1.
(chess) Also kt. knight
2.
neper
3.
neutral
4.
newton(s)
5.
(chem) nitrogen
6.
North
7.
Avogadro’s number
8.
noun
abbreviation
9.
Norway (international car registration)
/æn; unstressed ən/
determiner
1.
a form of the indefinite article used before an initial vowel sound: an old car, an elf, an honour
/æn; unstressed ən/
conjunction
1.
(subordinating) an obsolete or dialect word for if See and (sense 9)
abbreviation
1.
Netherlands Antilles
/ɑːn/
noun
1.
(myth) the Sumerian sky god Babylonian counterpart Anu
Chemical symbol
1.
actinon
abbreviation
1.
Anglo-Norman
prefix
1.
(chem) short for normal (sense 6)
abbreviation
1.
natus
2.
neuter
3.
new
4.
nominative
5.
noun

in nickname, newt, and British dialectal naunt, the -n- belongs to a preceding indefinite article an or possessive pronoun mine.

Other examples of this from Middle English manuscripts include a neilond (“an island,” early 13c.), a narawe (“an arrow,” c.1400), a nox (“an ox,” c.1400), a noke (“an oak,” early 15c.), a nappyle (“an apple,” early 15c.), a negge (“an egg,” 15c.). In 16c., an idiot sometimes became a nidiot, which, with still-common casual pronunciation, became nidget, which, alas, has not survived.

The process also worked in surnames, from oblique cases of Old English at “by, near,” e.g. Nock/Nokes/Noaks from atten Oke “by the oak;” Nye from atten ye “near the lowland;” and cf. Nashville.

But it is more common for an English word to lose an -n- to a preceding a: apron, auger, adder, umpire, humble pie, etc. The mathematical use of n for “an indefinite number” is first recorded 1852, in to the nth power.

indefinite article before words beginning with vowels, 12c., from Old English an (with a long vowel) “one; lone,” also used as a prefix an- “single, lone;” see one for the divergence of that word from this. Also see a, of which this is the older, fuller form.

In other European languages, identity between indefinite article and the word for “one” remains explicit (e.g. French un, German ein, etc.) Old English got by without indefinite articles: He was a good man in Old English was he wæs god man. Circa 15c., a and an commonly were written as one word with the following noun, which contributed to the confusion over how such words as newt and umpire ought to be divided (see N).

In Shakespeare, etc., an sometimes is a contraction of as if (a usage first attested c.1300), especially before it.

n 2
abbr.
refractive index

N 1

The symbol for the element nitrogen.

N 2
abbr.
newton
N

nitrogen
(nī’trə-jən)
Symbol N
A nonmetallic element that makes up about 78 percent of the atmosphere by volume, occurring as a colorless, odorless gas. It is a component of all proteins, making it essential for life, and it is also found in various minerals. Nitrogen is used to make ammonia, nitric acid, TNT, and fertilizers. Atomic number 7; atomic weight 14.0067; melting point -209.86°C; boiling point -195.8°C; valence 3, 5. See Periodic Table. See Note at oxygen.

mathematics, programming, jargon
A variable typically used to stand for a number of objects.
Used unqualified in speech it suggests a large, undetermined number, e.g. “There were N bugs in that crock!”, or a number implied by context, e.g. “Let’s get pizza for N + 1”.
[Jargon File]
(2006-04-18)
1.
indefinite number
2.
neuter
3.
neutron
4.
new
5.
normal
6.
note
1.
en
2.
knight
3.
name
4.
needs improvement
5.
Newton
6.
New York Stock Exchange
7.
nitrogen
8.
no (shortwave transmission)
9.
nominative
10.
noon
11.
north
12.
northern
13.
Norway (international vehicle ID)
14.
not (shortwave transmission)
15.
noun
1.
airman, Navy
2.
Anglo-Norman
3.
Associate in Nursing
1.
footnote
2.
Latin natus (born)
3.
net
4.
note
5.
noun
Norse

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