Last Updated：2025/11/20

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Either of a pair of symbols, [ ], used for various purposes, e.g. to enclose text inserted or replaced by an editor, and to indicate various mathematical operations.

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square bracket

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Source Word

square bracket

Noun

Either of a pair of symbols, [ ], used for various purposes, e.g. to enclose text inserted or replaced by an editor, and to indicate various mathematical operations.

Japanese Meaning

角括弧 – [ と ] の記号のいずれかを指し、編集作業での挿入・置換テキストを囲むため、また数学などでの記号表現に用いられる。

What is this buttons?

Please put the editor's inserted text inside a square bracket when making corrections.

Google Translation / DeepL Translation

修正を行うときは、編集者が挿入したテキストを角括弧「[ ]」の中に入れてください。

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Sense（1）

Either of a pair of symbols, [ ], used for various purposes, e.g. to enclose text inserted or replaced by an editor, and to indicate various mathematical operations.

We must, in short, employ a special bracket for operative relations ; and the square bracket is the most convenient. Hence [a + bβ] x denotes that a + bβ operates on x, and [φ]ⁿ denotes that φ operates on itself n - 1 times.

Google Translation / DeepL Translation

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square brackets

（ plural ）

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square bracket

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