cardinal number
US /ˈkɑːrdɪnəl ˈnʌmbər/
UK /ˈkɑːrdɪnəl ˈnʌmbər/
1.
基数
a number denoting quantity, such as one, two, three, etc., as opposed to an ordinal number (first, second, third, etc.).
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In the sentence 'There are three apples,' 'three' is a cardinal number.
「リンゴが3つある」という文では、「3」は基数です。
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The numbers 1, 2, 3, 4, 5 are all examples of cardinal numbers.
1、2、3、4、5はすべて基数の例です。