noun
ammonium chloride; sal ammoniac
Rare chemistry term for ammonium chloride (NH₄Cl). In modern contexts, 塩化アンモニウム is the standard name.
See also: 塩化アンモニウム
磠砂は、古い化学書では塩化アンモニウムを指す。
In old chemistry books, 磠砂 refers to ammonium chloride.
Standard modern term for ammonium chloride; 磠砂 is a rare historical synonym.
The kanji 磠 is a kokuji created in Japan to represent ammonium chloride. The reading ろしゃ is likely derived from Chinese 磠砂 (lǔshā).