還元

かんげん
JLPT:N1
Frequency:
1

Restoring or returning something to a previous state or giving back (e.g., returning benefits to consumers); the act of restoration or returning.

NounIrregular VerbTransitive VerbIntransitive Verb

Examples

企業は利益を消費者に還元する方針を発表した。

The company announced a policy to return profits to consumers.

減税によって経済成長を還元することが期待されている。

It's expected that tax cuts will be returned to (or benefit) economic growth.

古い設備を修理して機能を還元した。

We repaired the old equipment and restored its functions.

2

In chemistry, reduction: a reaction in which a substance gains electrons or decreases its oxidation state (the opposite of oxidation).

NounIrregular VerbTransitive VerbIntransitive VerbChemistry

Examples

この反応は酸化と還元が同時に起こる酸化還元反応の一例だ。

This reaction is an example of a redox reaction where oxidation and reduction occur simultaneously.

還元剤は酸素を奪うことで物質を還元する。

A reducing agent reduces a substance by removing oxygen (or donating electrons).

金属の酸化を防ぐために、表面を還元処理することがある。

To prevent metal oxidation, sometimes a reduction treatment is applied to the surface.

Word Relationships

Antonym