dividingrule

noun
UK /dɪˈvaɪdɪŋ ruːl/
US /dɪˈvaɪdɪŋ ruːl/

A dividing rule is a tool or line that helps you split something into parts.

The teacher used a dividing rule to make equal spaces on the paper.


OTHER MEANINGS

2. A math rule that tells you how to share a number into equal groups.

We learned the dividing rule for splitting twelve cookies among four friends.

3. A line or mark that shows where two areas are separated.

A dividing rule on the map shows where the two gardens meet.

4. A tool with marked lines used to measure and cut equal pieces.

He used a dividing rule to cut the wood into equal strips.