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zero (EN)
numeral, noun, determiner, adjective, verb

numeral “zero”

zero
  1. the number before one that represents nothing
    The countdown began: three, two, one, zero!

noun “zero”

singular zero, plural zeros, zeroes or uncountable
  1. the numerical symbol 0
    In the binary system, all data is represented by zeros and ones.
  2. (mathematics) a value at which a function equals zero
    The equation has two zeros.
  3. (informal) a person who is not important or has no influence
    They treated him like a zero at the meeting.
  4. (finance) a bond that pays no periodic interest
    She invested in zeros to save for retirement.

determiner “zero”

zero
  1. no; not any
    She has zero interest in watching horror movies.

adjective “zero”

base form zero, non-gradable
  1. having no measurable value; none
    The spacecraft experienced zero gravity during orbit.

verb “zero”

infinitive zero; he zeros, zeroes; past tense zeroed; past part. zeroed; ger. zeroing
  1. to set the value of something to zero
    Zero the scale before you weigh the ingredients.
  2. to eliminate completely; to remove entirely
    The virus scan zeroed all threats on the computer.