transcription, транскрипция: [ əklɒk ]
Frequency: The word is one of the 3000 most common words in English.
You use o’clock after numbers from one to twelve to say what time it is. For example, if you say that it is 9 o’clock, you mean that it is nine hours after midnight or nine hours after midday.
The trouble began just after ten o’clock last night...
I went to sleep, and at two o’clock in the morning I woke up.
ADV : num ADV