释义 |
mercury iodide noun : either of two iodides of mercury: a. : a yellow amorphous powder Hg2I2 that turns greenish on exposure to light — called also mercurous iodide b. : a red crystalline poisonous salt HgI2 that changes to a yellow crystalline modification when heated above 126° C and that is used chiefly in medicine — called also mercuric iodide |