(UK, finance) A policy whereby the state pension is increased every year to match either price inflation, earnings growth, or a third fixed rate, whichever is highest.

(transitive) To lock up; to lock in a safe place, out of view.

plural of lock-in

(physics) Describing a laser in which several modes of oscillation are synchronized so as to generate a strong, short pulse of light

plural of lock key

Any of certain keys of a computer keyboard that switch between certain states and are represented by LEDs.

An electronic lock operated by a keycard.

(Ireland, informal) The requirement that approval is received from the Irish government, the Dáil (parliament), and the United Nations, prior to any overseas military action by Irish defence forces.

(combat sports) Any lock designed to hyperextend one of the joints of the body, leading to pain and/or injury.

A device, used mainly in homebrewing, that allows carbon dioxide to escape from a fermenter without allowing air to enter