Etymology : Middle English thritty, from thritty, adjective, from Old English thrItig, from thrItig group of 30, from thrIe three + -tig group of ten; akin to Old English tIen ten
Pronunciation : th&r-tE
Function : noun
Date : before 12th century
1. number.
2. being 30 in number. thirty\thir"ty\ , a. [oe. thritty, as. ?rītig, ?rittig; akin to d. dertig, g. dreissig, icel. ?rjātīu, ?rjātigi, ?rir teger, goth. ?reis tigjus, i.e., three tens. see:
three, and ten, and cf. thirteen.] being three times ten; consisting of one more than twenty-nine; twenty and ten; as, the month of june consists of thirty days.thirty \thir"ty\ , n.; pl. thirties .
3. the sum of three tens, or twenty and ten; thirty units or objects.
4. a symbol expressing thirty, as 30, or xxx.thirty being ten more than twenty [syn: 30, xxx] the cardinal number that is the product of ten and three [syn: 30, xxx].
5. Being three times ten; consisting of one more than twenty-nine; twenty and ten; as, the month of June consists of thirty days.
6. The sum of three tens, or twenty and ten; thirty units or objects.
7. A symbol expressing thirty, as 30, or XXX. the cardinal number that is the product of ten and three being ten more than twenty.
8. 1. Thirty is the number.
9. 2. When you talk about the thirties, you are referring to numbers between 30 and.
10. For example, if you are in your thirties, you are aged between 30 and.
11. If the temperature is in the thirties, the temperature is between 30 and 39 degrees.
12. The thirties is the decade between 1930 and 1939. She became quite a notable director in the thirties and forties.