The time of day when a person has, or is given, a bath.

plural of bath time

(physics) The Newtonian concept of an unchanging and unchangeable reference system of time (and spatial) coordinates that is the same for all observers

plural of bleeding time

Rare spelling of time ball.

plural of time-ball

(idiomatic) Events and outcomes cannot be known beforehand.

plural of time ball

A large wooden or metal ball that drops at a predetermined time to enable sailors to check their marine chronometers from their boats offshore.

(biology, medicine) The period of time between the application of a stimulus and the associated response from a cell or tissue