oh

[əʊ] interjection I

1) used at the beginning of an answer or reply for showing that you understand or accept new information

‘Joe is her brother, not her boyfriend.' ‘Oh, I see!'[/ex]

‘He just resigned.' ‘Oh, did he?'[/ex]

2) used for expressing an emotion such as surprise, anger, or happiness

Oh, what a beautiful view![/ex]

Oh no! I've left my keys in the car.[/ex]

3) used when you start telling someone something, for example something that you have just remembered

Oh darling, did you see that note I left you?[/ex]

II

number

spoken oh [əʊ]

a way of saying ‘zero', for example in saying telephone numbers or a date, such as 1908