naturerule
nounUK /ˈneɪtʃə ruːl/
US /ˈneɪtʃər ruːl/
A naturerule is a rule that nature follows, like the sun coming up each day.
The teacher said that water freezing in winter is a naturerule.
OTHER MEANINGS
2. A rule that keeps the natural world working the same way every time.
Gravity is a naturerule that makes things fall down.
3. A pattern in nature that people can count on.
Birds flying south in autumn is a naturerule.
4. A simple rule about how plants and animals live and grow.
Plants needing sunlight is a naturerule.