ZEROING

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."

The act, or the result of zeroing