combiningsign
nounUK /kəmˈbaɪnɪŋ saɪn/
US /kəmˈbaɪnɪŋ saɪn/
A combining sign is a mark that joins two things together to make one.
The plus sign is a combining sign that puts two numbers together.
OTHER MEANINGS
2. In math, a symbol like + that shows numbers being added.
We learned that the combining sign tells us to add the groups.
3. A written mark that links two words into one.
The hyphen acts as a combining sign in 'well-known'.
4. Any signal that brings separate parts into a single whole.
The coach used a hand signal as a combining sign for the team.