noun
silver halide
Technical term in chemistry, especially in photography and photochemistry.
ハロゲン化銀は写真フィルムの感光材料として使われる。
Silver halide is used as a photosensitive material in photographic film.
Compound of ハロゲン (harogen, 'halogen') + 化 (ka, '-ization') + 銀 (gin, 'silver'), literally 'halogenated silver'.