Definition of zero out in English:

zero out

phrasal verb

  • zero something out, zero out somethingReduce something to zero; eliminate or remove entirely.

    ‘the bill would zero out capital gains taxes’
    • ‘Loading in the shot, they calibrated and aimed the weapon, zeroing out the center of the zombie mass.’
    • ‘We zeroed out of our budget $4.5 billion that was the Community Development program.’