transcription, транскрипция: [ θɜ:(r)ti ]
( thirties)
Frequency: The word is one of the 700 most common words in English.
1.
Thirty is the number 30.
NUM
2.
When you talk about the thirties , you are referring to numbers between 30 and 39. For example, if you are in your thirties , you are aged between 30 and 39. If the temperature is in the thirties , the temperature is between 30 and 39 degrees.
N-PLURAL
3.
The thirties is the decade between 1930 and 1939.
She became quite a notable director in the thirties and forties.
N-PLURAL : the N