| 释义 |
Definition of poison flour in English: poison flournoun Chemistry historical Arsenic trioxide, As₂O₃, as obtained in a finely powdered form by sublimation.
Origin Mid 19th century; earliest use found in Andrew Ure (1778–1857), chemist. Definition of poison flour in US English: poison flournoun Chemistry historical Arsenic trioxide, As₂O₃, as obtained in a finely powdered form by sublimation.
Origin Mid 19th century; earliest use found in Andrew Ure (1778–1857), chemist. |