Thirty - Dictionary Definition and Overview

Thirty :  adj : being ten more than twenty [syn: 30, xxx] (noun)

1: the cardinal number that is the product of ten and three [syn: 30, XXX]

Based on WordNet 2.0

Thirty : \Thir"ty\, a. [OE. thritty, AS. [thorn]r[=i]tig, [thorn]rittig; akin to D. dertig, G. dreissig, Icel. [thorn]rj[=a]t[=i]u, [thorn]rj[=a]tigi, [thorn]rir teger, Goth. [thorn]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.

Based on Webster's Revised Unabridged Dictionary

Thirty : \Thir"ty\, n.; pl. Thirties. 1. The sum of three tens, or twenty and ten; thirty units or objects.

2. A symbol expressing thirty, as 30, or XXX.

Based on Webster's Revised Unabridged Dictionary (1913)
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