adding rule
nounUK /ˈæd.ɪŋ ruːl/
US /ˈæd.ɪŋ ruːl/
A rule that tells you how to put numbers together to make a bigger number.
We learned the adding rule for plus one today.
OTHER MEANINGS
2. A guideline in a game or club that says how to add new players or members.
The adding rule says each team can add only two new players.
3. A step in a list of instructions that tells you to include something extra.
Follow the adding rule to put the sugar in the recipe.
4. A grammar rule about joining words together to make a longer sentence.
The teacher explained the adding rule for joining two short sentences with 'and'.