noun
perchlorate
Technical term in chemistry for a salt or ester of perchloric acid.
過塩素酸塩は酸化剤としてロケット燃料に使われることがある。
Perchlorates are sometimes used as oxidizers in rocket fuel.
Compound of 過塩素酸 (perchloric acid) + 塩 (salt). The exact historical derivation is uncertain; the spelling is conventionally associated with the chemical meaning.