noun, noun or participle which takes 'suru', transitive verb, intransitive verb
restoration; return; giving back
General use: returning something to its original state or owner, or giving back benefits/profits. Often used in economic, social, or abstract contexts.
利益の一部を社会に還元する。
Return a portion of the profits to society.
自然を元の状態に還元するのは難しい。
It is difficult to restore nature to its original state.
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
reduction; deoxidation
Chemistry: a reaction in which a substance gains electrons or loses oxygen. Opposite of 酸化 (oxidation).
See also: 酸化
酸化銅を水素で還元すると銅が得られる。
Reducing copper oxide with hydrogen yields copper.