zero

ze*ro

noun

{bc}the arithmetical symbol 0 or 0u0338 denoting the absence of all magnitude or quantity

zero

adjective

{bc}of, relating to, or being a zero

zero

verb

{bc}to determine or adjust the zero of

ze*ro-based

adjective

{bc}having each item justified on the basis of cost or need

zero coupon

adjective

{bc}of, relating to, or being an investment security that is sold at a deep discount, is redeemable at face value on maturity, and that pays no periodic interest

ze*ro-day

adjective

{bc}of, relating to, or being a vulnerability (as in a computer or computer system) that is discovered and exploited (as by cybercriminals) before it is known to or addressed by the maker or vendor

zero grade

noun

{bc}the most reduced form of the weak {d_link|ablaut|ablaut} grade in which the vowel disappears entirely

zero gravity

noun

{bc}the state or condition of lacking apparent gravitational pull {bc}{sx|weightlessness||}

zero hour

noun

{bc}the hour at which a planned military operation is scheduled to start

ze*ro-sum

adjective

{bc}of, relating to, or being a situation (such as a game or relationship) in which a gain for one side entails a corresponding loss for the other side