What does "thirty" mean?
Thirty: The sum of three tens, or twenty and ten; thirty units or objects.
Additional senses
- 2.A symbol expressing thirty, as 30, or XXX.
Sources
- Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Published: 2026-07-17T00:00:00-07:00 · Modified: 2026-07-17T00:00:00-07:00