noun, plural re·frac·to·ries.
Origin of refractory
Examples from the Web for refractory
Diagnosed with refractory acute myeloid leukemia at age 7, Sam was very brave but also very sick.36 Rabbis Shave for the Brave to Raise Money to Fight Childhood Cancer|John L. Smith|March 2, 2014|DAILY BEAST
Occasionally, refractory brick is used, but it is not necessary.
The keys of Valenciennes, it was commonly said, opened to the regent the gates of all the refractory cities of the Netherlands.History of the Reign of Philip the Second, King of Spain.|William H. Prescott
The pessimist is further characterised by an incapacity for prolonged attention, a refractory attention and a feeble will.Degeneracy|Eugene S. Talbot
These Pausies of Oude generally form the worst part of the gangs of refractory tallookdars in their indiscriminate plunder.A Journey through the Kingdom of Oude, Volumes I & II|William Sleeman
I was a refractory, I evaded the conscription, that was all.The Village Rector|Honore de Balzac
British Dictionary definitions for refractory
noun plural -ries
Word Origin for refractory
Word Origin and History for refractory
"stubborn, obstinate, perverse," 1610s (earlier refractorious, 1550s, refractary, c.1600), from Latin refractarius "obstinate, stubborn," from past participle stem of refringere (see refraction). Related: Refractorily; refractoriness.