activitylights
nounUK /ækˈtɪvɪti laɪts/
US /ækˈtɪvəti laɪts/
Small lights that blink or glow to show that something is working or moving.
The activitylights on the robot blinked green when it started to walk.
RELATED WORDS
OTHER MEANINGS
2. Lights on a device that show it is busy or in use.
The activitylights on the router flashed quickly while the game downloaded.
3. Colored lights used to make a play area or event feel lively.
They hung activitylights around the gym for the school dance.
4. Lights on a toy that turn on when a child plays with it.
The activitylights on the toy piano lit up with every note.
5. Small glowing dots on a screen or panel that show activity.
The activitylights on the control panel told us the machine was on.