(organic chemistry) A chlorofluorocarbon halomethane formerly used as a refrigerant and aerosol spray propellant, now banned in many countries because of its effects on the ozone layer.
formaldehydesulphoxylic
pancreaticoduodenostomy
pseudolamellibranchiata
pseudolamellibranchiate
thymolsulphonephthalein
thymolsulphonephthalein
noun
Thymol blue, a brownish-green or reddish-brown crystalline powder used as a pH indicator.