NOS

noun

1. A negating expression; an answer that shows disagreement or disapproval
2. A vote not in favor, or opposing a proposition

noun

1. An abstract entity used to describe quantity.
2. A numeral: a symbol for a non-negative integer.
3. An element of one of several sets: natural numbers, integers, rational numbers, real numbers, complex numbers, and sometimes extensions such as hypercomplex numbers, etc.