Definitions for: Thirty

[n] the cardinal number that is the product of ten and three
[adj] being ten more than twenty

Webster (1913) Definition: 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.

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.

Synonyms: 30, 30, cardinal, xxx, XXX

See Also: large integer

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