[あひさん(亜砒酸);あヒさん(亜ヒ酸), ahisan ( a hi san ); a hi san ( a hi san )](n) (1) arsenious acid; arsenous acid (H3AsO3); (2) (col) arsenic trioxide; white arsenic (As2O3)[Add to Longdo]
[むすいあひさん(無水亜砒酸);むすいあヒさん(無水亜ヒ酸), musuiahisan ( musui a hi san ); musuia hi san ( musui a hi san )](n) (obsc) (See 亜砒酸) arsenic trioxide; white arsenic (As2O3)[Add to Longdo]