thirty
/ˈθɝti/ noun C2- A rack of thirty beers.
- A commercial lasting 30 seconds.
Plural thirties
From the library
Alexander Spencer today--the mail-man brought it from the station--saying they were coming on the five-thirty train tonight.
It was a pretty expensive joke for them, for it cost them two and thirty pounds.”
“Small, stout-built, very quick in his ways, no hair on his face, though he’s not short of thirty.
The plans, which are exceedingly intricate, comprising some thirty separate patents, each essential to the working of the whole, are kept in an elaborate safe in a confidential office adjoining the arsenal, with burglar-proof doors and windows.
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