Thirtyとは 意味・読み方・使い方

別の表記

• threety (obsolete or nonstandard), thirtie (obsolete)
• Arabic numerals: 30
• Roman numerals: XXX

語源

From 中期英語 thirty, metathetic alternant of 中期英語 thriti, þrittiȝ, from 古期英語 þrītiġ (“thirty”), from Proto-Germanic *þrīz tigiwiz (“thirty”, literally “three tens”), equivalent to three +‎ -ty. Cognate with Scots therty, tretty (“thirty”), West Frisian tritich (“thirty”), Dutch dertig (“thirty”), German dreißig (“thirty”).

発音

• (Received Pronunciation) IPA: /ˈθɜːti/
• (General American) enPR: thŭr′tē, IPA: /ˈθɝti/, [ˈθɝɾi]
• 韻: -ɜː(ɹ)ti

数詞

thirty

1. The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30.

   Synonym: triacontad

   • 2009 January 19, Kenneth Davids, “Convenience First: Espresso Pods and Capsules”, in Coffee Review‎, archived from the original on 17 January 2025:

     To conclude, here in tabular form is a summary of our ratings of espressos produced from thirty pod, capsule and disc blends.

   • For more quotations using this term, see Citations:thirty.

派生語

参考

• (ordinal: the last of 30):, trigesimal
• (adjectival form): tricenary
• (around 30): thirtyish
• (containing 30 of something): trigesimal
• (a 30-year-old person): tricenarian, thirtysomething
• (every 30 years): tricennial, trigintennial
• (30-sided figure): triacontahedron, triacontagon
• (30-sided): triacontahedral

名詞

thirty (plural thirties)

1. (slang) A rack of thirty beers.
2. (broadcasting) A commercial lasting 30 seconds.

   Coordinate term: sixty

   • 2014, Jules Witcover, No Way to Pick a President:

     […] instead of thirties [thirty-second commercials], they buy sixties, which cost twice as much. They spend more on filming it than they need to; they buy a lot of ads that are garbage and don't really say anything, just to fill up the space.

参照