(organic chemistry) Any nitration reaction in which a single nitro group is introduced into a compound.

plural of alleyway

A tactic or artifice designed to gain the upper hand, especially one involving underhanded dealings or deception. / Specifically, such a tactic or artifice in military operation.

(military, nautical) Initialism of Federal Germany Ship. A ship prefix used for naval ships of the Federal German Republic, both West Germany and unified Germany.