phloroglucinol

noun
phlor·​o·​glu·​cin·​ol | \ -ˈglüs-ᵊn-ˌȯl, -ˌōl How to pronounce phloroglucinol (audio) \

Medical Definition of phloroglucinol

: a sweet crystalline phenol C6H6O3 that occurs in combined form in glycosides (as phlorizin), in resins, and in tannins and that is usually made from trinitrotoluene by a series of steps