phlogistic
/flə(ʊ)ˈdʒɪstɪk/adjective
1 Medicine. Of, relating to, or producing inflammation; inflammatory.
2 Chemistry. Of the nature of or relating to phlogiston; (now rare ) containing phlogiston, combustible. Now historical.
Origin
Mid 18th century; earliest use found in Thomas Short (c1690–1772), physician.