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Từ điển Oxford Learners Wordfinder Dictionary
refractory


I - noun
lining consisting of material with a high melting point;
used to line the inside walls of a furnace
Syn:
furnace lining
Hypernyms:
lining, liner
Substance Meronyms:
fireclay, alumina, aluminum oxide, aluminium oxide

II - adjective
1. not responding to treatment
- a stubborn infection
- a refractory case of acne
- stubborn rust stains
Syn:
stubborn
Similar to:
intractable
Derivationally related forms:
stubbornness (for: stubborn), refractoriness
Topics:
medicine, medical specialty
2. temporarily unresponsive or not fully responsive to nervous or sexual stimuli
- the refractory period of a muscle fiber
Similar to:
unresponsive
3. stubbornly resistant to authority or control
- a fractious animal that would not submit to the harness
- a refractory child
Syn:
fractious, recalcitrant
Similar to:
disobedient
Derivationally related forms:
refractoriness, fractiousness (for: fractious)

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