noun
manganate
Inorganic chemistry term for a salt containing the manganate ion (MnO₄²⁻).
マンガン酸塩は酸化剤として用いられることがある。
Manganates are sometimes used as oxidizing agents.
Permanganate (MnO₄⁻), a related ion with one more oxygen atom; more commonly encountered in chemistry.
Compound of マンガン (manganese) + 酸 (acid) + 塩 (salt), following standard Japanese chemical nomenclature for salts of oxyacids.