
1) Photography equipment
Found on
https://www.crosswordclues.com/clue/intervalometer

An intervalometer is a device which counts intervals of time. (Other names include interval meter and interval timer). Such devices commonly are used to signal, in accurate time intervals, the operation of some other device. For instance, an intervalometer might activate something every 30 seconds. ==Photography== In photography, intervalometers a...
Found on
http://en.wikipedia.org/wiki/Intervalometer

A device that attaches to the camera for filming single exposures, much like an animation motor, exept that an intervalometer is capable of exposing single frames automatically, as in the technique of Time Lapse photography.
Found on
https://www.encyclo.co.uk/local/21112

(Or Interval Recording) Another term for Time Lapse Photography. You can capture an image or images at preset intervals automatically. Good quality remote releases have this function built in, meaning you don't have to stand around pressing the shutter every 5 or 10 seconds.
Found on
https://www.encyclo.co.uk/local/22122

an automatic device for operating the shutter of a camera at regular intervals, as in making aerial photographs.
Found on
https://www.infoplease.com/dictionary/intervalometer
No exact match found.