timer

IPA: tˈaɪmɝ

Agent noun of time: someone or something that times.
A device used to measure amounts of time.
Any electronic function that causes a device to be able to do something automatically after a preset amount of time.
A person who records the time elapsed in a sporting event.
One who has done something a certain number of times.
One characterized by a certain time or time frame, such as their work hours.

Examples of "timer" in Sentences

A timer is coupled to the switch.
As a result, the timer speeds up.
For a first timer, not such a problem.
The first timer also starts a second timer.
The timer is also glow in the dark in some cases.
The switch neutralizes the timer and the audible alarm when opened.
At the bake sale, the bullies start the three minute timer for the bomb.
Currently, the official timer used in competition is the StackMat timer.
The timer allows the VCR to select a channel at a set time if the TV is off.
The timer switch is closed upon the timing out of the timer and opened manually.