酸化(さんか)

さんか
noun, suru-verb
oxidation
1. oxidation
A chemical reaction in which a substance combines with oxygen or loses electrons.
鉄(てつ)が酸化(さんか)して錆(さび)ができた。
The iron oxidized and rust formed.
酸化(さんか)を防(ふせ)ぐために真空(しんくう)パックにする。
We vacuum-pack it to prevent oxidation.
この薬品(やくひん)は空気(くうき)に触(ふ)れると酸化(さんか)しやすい。
This chemical oxidizes easily when exposed to air.

酸化(さんか) is a chemistry term referring to the process of oxidation. In everyday contexts, it's often associated with rusting, spoiling, or degradation of materials.

COMMON COMPOUNDS:

  • 酸化(さんか)防止(ぼうし)剤(ざい): antioxidant
  • 二酸化炭素(にさんかたんそ): carbon dioxide (CO₂)
  • 酸化(さんか)鉄(てつ): iron oxide

The opposite process is 還元(かんげん) (reduction).

Related Words

Antonym: 還元(かんげん) (reduction)
general
Added 2026.1.13 8:49 · Revised 2026.2.13 10:24
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