Definition

noun

The numeric symbol that represents the cardinal number zero.
“In unary and k-adic notation in general, zero is the empty string.”
The digit 0 in the decimal, binary, and all other base numbering systems.
“One million has six zeroes.”
Nothing, or none.
“He knows zero about humour.”
The value of a magnitude corresponding to the cardinal number zero.
“The electromagnetic field does not drop all of the way to zero before a reversal.”
The point on a scale at which numbering or measurement originates.
“The temperature outside is ten degrees below zero.”

verb

To set a measuring instrument to zero; to calibrate instrument scale to valid zero.
“Zero the fluorometer with the same solvent used in extraction.”
To change a memory location or range to values of zero; to set a variable in a computer program to zero.
“Results were inconsistent because an array wasn’t zeroed during initialization.”
To cause or set some value or amount to be zero.
“They tried to zero the budget by the end of the quarter.”
To eliminate; to delete; to overwrite with zeros.
To disappear

noun