最終更新日：2024/07/28

Dictionary quizzes to help you remember vocabulary

Dictionary quizzes to help you remember vocabulary

(transitive) To change (something) from a smaller form or size to a larger one; to spread out or lay open. / (transitive) To increase the extent, number, volume or scope of (something).

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元となった辞書の項目

expand

verb

(transitive) To change (something) from a smaller form or size to a larger one; to spread out or lay open. / (transitive) To increase the extent, number, volume or scope of (something).

We need to expand our business to new markets.

Google翻訳 / DeepL翻訳

意味（1）

You can expand this compact umbrella to cover a large table.

Google翻訳 / DeepL翻訳

意味（2）

(transitive) To increase the extent, number, volume or scope of (something).

A flower expands its leaves.

Google翻訳 / DeepL翻訳

意味（3）

(transitive) To express (something) at length and/or in detail.

意味（4）

(transitive, algebra) To rewrite (an expression) as a longer, yet equivalent sum of terms.

Use the binomial theorem to expand (x+1)⁴.

Google翻訳 / DeepL翻訳

意味（5）

(intransitive, algebra, of an expression) To become, by rewriting, a longer, yet equivalent sum of terms.

The expression (x+1)⁴ expands to x⁴+4x³+6x²+4x+1.

Google翻訳 / DeepL翻訳

意味（6）

意味（7）

(intransitive) To change or grow from smaller to larger in form, number, or size.

Many materials expand when heated.

Google翻訳 / DeepL翻訳

意味（8）

(intransitive) To increase in extent, number, volume or scope.

意味（9）

(intransitive) To speak or write at length or in detail.

He expanded on his plans for the business.

Google翻訳 / DeepL翻訳

意味（10）

(intransitive) To feel generous or optimistic.

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