O

O, o

1. O <pl 's>, o <pl 's or -s> [əʊ, Am oʊ] n

1) (letter) O nt, o nt;

\O for Oliver [or (Am) as in Oboe] O für Otto; see also A 1

2) (blood type) O

3) (zero) Null f;

my phone number is three, \O, five, one meine Telefonnummer ist drei, null, fünf, eins

2. O [əʊ, Am oʊ] interj

1) (poet old: as address)

\O Zeus! O Zeus!

2) (dated: expressing emotion)

\O no! O nein!