noun
molten salt; fused salt
Technical term used in chemistry and engineering for salts that are melted at high temperatures, often used as heat transfer fluids or in electrolysis.
See also: 溶融塩
融解塩は原子炉の冷却材として研究されている。
Molten salts are being studied as a coolant for nuclear reactors.
Synonym; 溶融塩 is also used for molten salt, but 融解塩 is less common and may be encountered in older or specific technical contexts.
Compound of 融解 (melting, fusion) and 塩 (salt). The term is a direct calque from English 'molten salt' or 'fused salt'.