calomorphic
/kæləˈmɔrfɪk/Definitions
1. adjective
Relating to or having the form of a calomel, or having a mercurial nature; or relating to or having a form of calomel.
“The calomorphic properties of the compound made it highly toxic.”
2. noun
A person who is mercurial or changeable in their nature or mood.
“The calomorphic colleague was always difficult to work with due to their unpredictable behavior.”