used in mathematical expressions and decimals
'nought times three equals nought'
0.3 = nought point three or point three
0.03 = point nought three
nought
used in scientific expressions, especially temperatures
20oC = minus twenty degrees or -
twenty degrees below zero
'also used to mean 'the lowest point
'The heavy rain reduced visibility to zero'
zero
used in telephone numbers
01713900062
'o one seven one three nine o double o six two'
'o'
(the letter)
used to express the score in games such as football
0 - 2 = 'two nil' or 'two nothing'
nil /nothing