plural of non-breaking space

plural of non-terminal symbol

(music) Fast, but not too fast.

Alternative spelling of sine qua non.

(grammar) A verb form that lacks a subject, is not inflected by tense, aspect, mood, number, gender or person and cannot serve as a predicate.

(mathematics, stochastic processes, of a state) persistent with finite expected return time.

(pharmacology) Not over-the-counter.

(espionage) The assumption of a covert role in an organization which does not have ties to the government of the operative in question.

Radiation that does not cause atmospheric ionization; electrically neutral radiation.

plural of non-coding RNA