noun
mercury fulminate
A highly sensitive explosive compound used in primers and detonators. Technical term; also called 雷酸水銀.
See also: 雷酸水銀
雷汞は衝撃に非常に敏感な爆薬である。
Mercury fulminate is an explosive that is extremely sensitive to shock.
Synonym for 雷汞; more descriptive chemical name meaning 'mercury fulminate'.
From 雷 (rai, 'thunder') and 汞 (kō, 'mercury'), referring to its explosive nature and mercury content. The exact historical derivation is uncertain.