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1. (adj.) refractory
hard or impossible to manage; stubbornly disobedient:
a refractory child.
2. refractory
resisting ordinary methods of treatment.
3. refractory
difficult to fuse, reduce, or work, as an ore or metal.
4. (n.) refractory
a material that retains its shape and composition even when heated to extreme temperatures.
5. refractory
refractories, bricks of various shapes used in lining furnaces.
Etymology: (1600–10; var. of refractary < L refrāctārius stubborn)
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| Definition of 'Refractory' |
Princeton's WordNet |
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1. (adj) furnace lining, refractory
lining consisting of material with a high melting point; used to line the inside walls of a furnace
2. (adj) refractory, stubborn
not responding to treatment
"a stubborn infection"; "a refractory case of acne"; "stubborn rust stains"
3. (adj) refractory
temporarily unresponsive or not fully responsive to nervous or sexual stimuli
"the refractory period of a muscle fiber"
4. (adj) fractious, refractory, recalcitrant
stubbornly resistant to authority or control
"a fractious animal that would not submit to the harness"; "a refractory child"
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| Definition of 'Refractory' |
Webster Dictionary |
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1. (adj) Refractory
obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast
2. (adj) Refractory
resisting ordinary treatment; difficult of fusion, reduction, or the like; -- said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore
3. (noun) Refractory
a refractory person
4. (noun) Refractory
refractoriness
5. (noun) Refractory
oPottery) A piece of ware covered with a vaporable flux and placed in a kiln, to communicate a glaze to the other articles
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Definitions of Refractory 
