Main Entry: ze·ro

Pronunciation: \ˈzē-(ˌ)rō, ˈzi(ə)r-(ˌ)ō\

Function: noun

Inflected Form(s): plural zeros also zeroes

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