| Definitions | | refractory |
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noun
- material, such as brick, that has a very high melting point
adjective
- obstinate and unruly, unresponsive
- not affected by great heat
- (medicine) difficult to treat
Etymology: From refractarius "obstinate", from refractus, past participle of refringere "to break up," from re- + comb. form of frangere "to break", ultimately from Proto-Indo-European root
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Full Definition of refractory
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