Zero

Interlinked Thematic Vocabulary Unit Nº 080 v.1

1. zero 1 |n| the arithmetical symbol 0 or 0̸ denoting the absence of all magnitude or quantity.
2. zero 2 |n| additive identity; specifically : the number between the set of all negative numbers and the set of all positive numbers.
3. zero 3 |n| a value of an independent variable that makes a function equal to zero +2 and −2 are zeros of f(x)=x2−4.