lighttimingrule
nounUK /ˈlaɪt taɪmɪŋ ruːl/
US /ˈlaɪt taɪmɪŋ ruːl/
A light timing rule is a rule about when lights should turn on or off.
The light timing rule says the streetlights come on at sunset.
RELATED WORDS
OTHER MEANINGS
2. A regulation controlling when vehicle or traffic lights operate.
Drivers must follow the light timing rule at the busy junction.
3. A guideline for how long plants receive artificial light each day.
The greenhouse follows a light timing rule to help tomatoes grow.
4. A setting in a device that decides when its display light switches on.
She changed the light timing rule so her phone screen dims at night.