1.Definition: a mathematical element that when added to another number yields the same number

Related Noun(s):cipher, cypher, nought

Category: General

2.Definition: a quantity of no importance

Related Noun(s):aught, cipher, cypher, naught, nil, nix, nothing, null, zilch, zip, zippo

Category: General

3.Definition: the point on a scale from which positive or negative numerical quantities can be measured

Category: General

4.Definition: the sight setting that will cause a projectile to hit the center of the target with no wind blowing

Category: Objects