(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
phenolsulphonephthalein
polytetrafluoroethylene
polytetrafluoroethylene
noun
A tough synthetic resin used to make seals and bearings and to create a nonstick coating on cooking utensils.
pseudolamellibranchiata
pseudolamellibranchiate
pseudophilanthropically
thymolsulphonephthalein
thymolsulphonephthalein
noun
Thymol blue, a brownish-green or reddish-brown crystalline powder used as a pH indicator.
