zero
number /ˈzɪərəʊ/
  /ˈzɪrəʊ/
- (plural zeros)(British English also nought)0- Five, four, three, two, one, zero… We have lift-off.
 
- a temperature, pressure, etc. that is equal to zero on a scale- It was ten degrees below zero last night (= −10°C).
- The thermometer had fallen to zero.
 
- the lowest possible amount or level; nothing at all- I rated my chances as zero.
- zero inflation
 
Word Originearly 17th cent.: from French zéro or Italian zero, via Old Spanish from Arabic ṣifr ‘cipher’.