A screen displayed by a computer or mobile device left unattended, requiring the user to perform a certain action to regain access.

(mechanical engineering, usually uncountable) A condition that arises when a device which compresses gases seizes up because of the infiltration of liquid, which prevents further compression.

To seize up because liquid has infiltrated a mechanism for compressing gasses. / To form a seal by employing a mechanism that uses hydrostatic pressure.

(machinery, especially science fiction) An induced state of suspension or inactivity.

(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.

(automotive) A kind of automotive differential that provides increased traction by restricting each of the two wheels on an axle to the same rotational speed without regard to available traction or differences in resistance seen at each wheel.

plural of locking differential

(automotive, informal) locking differential

A lock that closes or secures itself by means of a spring.

A lock enclosed in a wooden case and attached to the face of a door.