ze·ro noun \ˈzē-(ˌ)rō, ˈzi(ə)r-(ˌ)ō\
plural zeros also zeroes
: the arithmetical symbol 0 or 0̸ denoting the absence of all magnitude or quantity
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
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