Used to denote the plural form of a small number of English nouns, the majority of whose etymologies go back to the n-stem (i.e. weak noun) declension of Germanic languages.

When attached to certain adjectives, it forms a transitive verb whose meaning is, to make (adjective). Usually, the verb is ergative, sometimes not. The same construction could also be done to certain (fewer) nouns, as, strengthen, in which case the verb means roughly, "to give (noun) to", or "to become like (noun)".

(medicine) Initialism of erythema nodosum. / (medicine) Initialism of enrolled nurse. / (ice hockey, floorball) Initialism of empty net.

(philosophy) The Nicomachean Ethics, Aristotle's best-known work on ethics.

Initialism of east-northeast.

Initialism of east-northeast.

Initialism of east-northeast.

a single-atom thick two-dimensional layer of atoms

(organic chemistry) An unsaturated hydrocarbon having at least one double bond; an alkene. / (organic chemistry) An aromatic hydrocarbon based on benzene. / A polymer derived from an alkene.

plural of en