Variant of refractory
- hard to manage; stubborn; obstinate: said of a person or animal
- resistant to heat; hard to melt or work: said of ores or metals
- not yielding to treatment, as a disease
- able to resist disease
Origin: altered ; from obsolete refractary ; from Classical Latin refractarius ; from refractus: see refract
noun pl. refractories
something refractory; specif., a heat-resistant material used in lining furnaces, etc.