refractory

Từ điển WordNet v3.1 - WordNet Dictionary

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)

• Từ đồng nghĩa / Synonyms:
  fractious, recalcitrant, stubborn, furnace lining