zeroze‧ro1 /ˈzɪərəʊ $ ˈziːroʊ/ ●●●S3 number (plural zeros or zeroes) 🔊 🔊 1HMNthe number 0 syn nought British English 🔊 Make x greater than or equal to zero.2TMHMNthe point between + and – on a scale for measuring something, or the lowest point on a scale that shows how much there is left of something 🔊 The petrol gauge was already at zero.3TMTa temperature of 0° on the Celsius or Fahrenheit scaleabove/below zero 🔊 It was five degrees below zero last night. →absolute zero, sub-zero4NONE/NOTHINGnone at all, or the lowest possibleamountsomebody’s chances are zero (=they have no chance of success) 🔊 Mike’s chances of winning are virtually zero. 🔊 From 1971 to 1976 West Vancouver experienced zero population growth.THESAURUSzero the number 0. Also used when saying there is nothing at allA million is written as one followed by six zeros.a temperature of zero degreesOur chances of success are virtually zero.nil British Englishzero – used especially in the results of sportsgamesUnited won the game three-nil. In rural areas, employment opportunities are almost nil.nought British English spoken zero – used in calculations and figuresIt has increased by nought point seven five per cent (=0.75%).O used to say the number 0 like the letterOThe code for Oxford is 0 one eight six five (=01865).