zero
number
uk
/ˈzɪə.rəʊ/ us
/ˈzɪr.oʊ/ plural zerosA2 [ C or U ]
(the number) 0; nothing:
B1 [ U ]
on a set of numbers for comparing temperature in degrees Celsius, the level of temperature at which water freezes:
The temperature is expected to drop to ten degrees below zero tonight.
Idiom
zero
adjective
uk
/ˈzɪə.rəʊ/ us
/ˈzɪr.oʊ/