a or an; the indefinite article (when the initial sound of what will follow is unclear)

Used with certain suffixes, such as -ian and -ese, when the base word ends in a vowel that is not readily elided. / (pharmacology) Alternative form of -ner-.

The fourteenth letter of the English alphabet, called en and written in the Latin script.

The ordinal number fourteenth, derived from this letter of the English alphabet, called en and written in the Latin script.

north / (grammar) noun / (grammar) neuter gender / (organic chemistry) normal / Neutral / No / Shortening of and, used in set phrases like rock-n-roll.

Alternative form of -en

Alternative form of -an, adjective or noun suffix meaning "of or pertaining to", used with words which already end in a.

Alternative form of -en (past participle ending)

Initialism of no answer. / Initialism of nothing added.

not applicable / not available / not assigned, no assignment / non-assessable / not attested / not approved