plural of clock tower

plural of balloon clock

plural of longcase clock

plural of game clock

plural of radio clock

(physics) A hypothetical clock, used to show time dilation, that would count the journeys of a single photon between two parallel mirrors.

plural of dandelion clock

(basketball) A timer measuring the length of time since the last shot. / (tennis) A countdown of the time remaining within which the current server must serve the ball.

plural of world clock

A clock that shows time around the globe.