最終更新日：2025/11/19

Dictionary quizzes to help you remember vocabulary

(transitive) To bring down the size, quantity, quality, value or intensity of something; to diminish, to lower. / (intransitive) To lose weight.

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reduce

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元となった辞書の項目

reduce

IPA（発音記号）

/ɹɪˈdjuːs/

動詞

他動詞自動詞スコットランド英語廃用

日本語の意味

（他動詞）大きさ、数量、品質、価値、強度などを下げる、減らす / （自動詞）体重が減少する、痩せる

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To reduce waste, the company implemented a strict recycling program.

Google翻訳 / DeepL翻訳

廃棄物を減らすために、会社は厳格なリサイクルプログラムを導入しました。

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意味（1）

(transitive) To bring down the size, quantity, quality, value or intensity of something; to diminish, to lower.

to reduce weight, speed, heat, expenses, price, personnel etc.

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意味（2）

(intransitive) To lose weight.

意味（3）

(transitive) To bring to an inferior rank; to degrade, to demote.

to reduce a sergeant to the ranks

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意味（4）

(transitive) To humble; to conquer; to subdue; to capture.

to reduce a province or a fort

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意味（5）

(transitive) To bring to an inferior state or condition.

to reduce a city to ashes

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意味（6）

(transitive, cooking) To decrease the liquid content of food by boiling much of its water off.

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意味（7）

(transitive, chemistry) To add electrons / hydrogen or to remove oxygen.

Formaldehyde can be reduced to form methanol.

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意味（8）

(transitive, metallurgy) To produce metal from ore by removing nonmetallic elements in a smelter.

意味（9）

(transitive, mathematics) To simplify an equation or formula without changing its value.

意味（10）

(transitive, computer science) To express the solution of a problem in terms of another (known) algorithm.

意味（11）

(transitive, logic) To convert a syllogism to a clearer or simpler form.

意味（12）

(transitive, law) To convert to written form. (Usage note: this verb almost always appears as "reduce to writing".)

It is important that all business contracts be reduced to writing.

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意味（13）

(transitive, medicine) To perform a reduction; to restore a fracture or dislocation to the correct alignment.

意味（14）

(transitive, military) To reform a line or column from (a square).

意味（15）

(transitive, military) To strike off the payroll.

意味（16）

(transitive, Scotland, law) To annul by legal means.

意味（17）

(transitive, obsolete) To translate (a book, document, etc.).

a book reduced into English

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reduces

（ present singular third-person ）

reducing

（ participle present ）

reduced

（ participle past ）

reduced

（ past ）

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reduce

Dictionary quizzes to help you remember vocabulary

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reduce

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