separationrule

noun
UK /ˌsepəˈreɪʃən ruːl/
US /ˌsepəˈreɪʃən ruːl/

A separation rule is a rule that keeps things apart or tells how to split them up.

The teacher made a separation rule so the noisy kids would sit at different tables.


OTHER MEANINGS

2. A rule in a game or sport that keeps players or teams apart.

The referee used a separation rule to stop the two players from pushing each other.

3. A rule in science that says how to keep two things from mixing.

The lab has a separation rule that keeps chemicals in different jars.

4. A rule that says how to divide things into fair shares.

Our family has a separation rule for splitting the candy equally.