zero

ze·ro

noun \ˈzē-(ˌ)rō, ˈzi(ə)r-(ˌ)ō\

plural zeros also zeroes

Definition of ZERO

1

: the arithmetical symbol 0 or 0̸ denoting the absence of all magnitude or quantity

2

a : the point of departure in reckoning; specifically : the point from which the graduation of a scale (as of a thermometer) begins b : the temperature represented by the zero mark on a thermometer