Noun: 0
- A mathematical element that when added to another number yields the same number
"Adding 0 to any number leaves it unchanged";
- zero, nought [Brit], cipher, cypher, naught [N. Amer]
- Indicating the absence of any or all units under consideration
- zero
Derived forms: 0s
See also: cardinal
Encyclopedia: 0,000 000 000 1