(set theory) Of a set, containing at least one element; not the empty set.

(cricket) the batsman standing at the bowler's end of the pitch

Somebody who does not smoke tobacco. / A railway carriage where smoking tobacco is not permitted.

Alternative form of nonferrous

(chiefly Britain, colloquial, dated) Not U; not characteristic of the upper classes, particularly regarding language.

Alternative spelling of nonproliferation

Any sequence of sounds or letters which is not considered to be a word.

Someone who is not a member (of a club, institution, etc.)

Not producing venom.

Alternative form of nontoxic