N

UK: 'N', 'n': /ˈɛn/ US: 'N', 'n': /ɛn/ ,'N', 'n': (en)

Collins Concise English Dictionary © HarperCollins Publishers::

N symbol

1. Also: kt knight
2. newton(s)
3. nitrogen
4. North
5. noun

WordReference Random House Learner's Dictionary of American English © 2026

N, n /ɛn/   n. [countable] , pl. Ns or N's, ns or n's. 

1. the 14th letter of the English alphabet, a consonant.

N,  an abbreviation of:

1. Geography north.
2. Chemistry northern.

N.,  an abbreviation of:

1. Geography north.
2. northern.
3. November.

n.,  an abbreviation of:

1. name.
2. Grammar neuter.
3. new.
4. Geography north.
5. northern.
6. Grammar noun.
7. number.

WordReference Random House Unabridged Dictionary of American English © 2026

N, n  (en), n., pl. 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 &sanserif;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.

'n  (ən), conj. [Pron. Spelling.]

1. and:
   Stop 'n save. Look 'n listen.

Also, 'n'. 
N, 

1. Physics newton;
   newtons.
2. Geography north.
3. Chemistry northern.

N,  Symbol.

1. the 14th in order or in a series, or, when I is omitted, the 13th.
2. (sometimes l.c.) the medieval Roman numeral for 90. Cf. Roman numerals. 
3. [Chem.] nitrogen.
4. Biochemistry asparagine.
5. [Math.] an indefinite, constant whole number, esp. the degree of a quantic or an equation, or the order of a curve.
6. [Chess.] knight.
7. [Print.] en.
8. Chemistry See Avogadro's number. 
9. See neutron number. 

n,  Symbol.

1. [Physics.] neutron.
2. [Optics.] See index of refraction. 

n-, [Chem.]

1. an abbreviated form of normal, used in the names of hydrocarbon compounds that have a normal or straight chain of carbon atoms:
   n-3 fatty acid.

-n, 

1. var. of -an after a vowel:
   Virginian.

N., 

1. Government Nationalist.
2. Military Navy.
3. New.
4. Noon.
5. Chemistry normal (strength solution).
6. Norse.
7. Geography north.
8. northern.
9. Business [Finance.] note.
10. November.

n., 

1. name.
2. born. [ L nātus]
3. nephew.
4. Business [Com.] net.
5. Grammar neuter.
6. new.
7. Grammar nominative.
8. noon.
9. Chemistry normal (strength solution).
10. Geography north.
11. northern.
12. Business [Finance.] note.
13. Grammar noun.
14. number.

Collins Concise English Dictionary © HarperCollins Publishers::

n, N / ɛn/ noun (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

n symbol

1. neutron
2. index of refraction
3. nano-

n / ɛn/ determiner

1. an indefinite number (of): there are n objects in a box

Collins Concise English Dictionary © HarperCollins Publishers::

n. abbreviation

1. neuter
2. new
3. nominative
4. noun