plus-minus sign
noun
The mathematical symbol ‘±’.
Origin
1930s.
- National Security Council
- national service
- national serviceman
- national service man
- National Socialism
- National Socialist
- National Society
- national superannuation
- national theater
- national theatre
- national treasure
- National Trust
- nationalty
- National Vocational Qualification
- nation builder
- nation-building
- Nation, Carrie
- nationhood
- nationist
- nationless
- nation maker
- nation-making
- Nation of Islam
- nation state
- nationwide