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Learn to pronounce re·frac·to·ry

/rəˈfraktərē/
adjective
  1. stubborn or unmanageable.
    "his refractory pony"
    synonyms: obstinate, stubborn, stubborn as a mule, mulish, bull-headed, pigheaded, obdurate, headstrong, self-willed, wayward, willful, perverse, contrary, recalcitrant, obstreperous, disobedient, insubordinate, rebellious, mutinous, defiant, stiff-necked, intractable, intransigent, unyielding, unmalleable, unmanageable, ungovernable, unpersuadable, thrawn, cussed, bloody-minded, bolshie, stroppy, balky, contumacious, froward, contrarious
  2. resistant to a process or stimulus.
    "some granules are refractory to secretory stimuli"

noun
a substance that is resistant to heat.

People also ask
unruly, ungovernable, intractable, refractory, recalcitrant, willful, headstrong mean not submissive to government or control. unruly implies lack of discipline ...
In materials science, a refractory (or refractory material) is a material that is resistant to decomposition by heat or chemical attack that retains its ...

Refractory

In materials science, a refractory is a material that is resistant to decomposition by heat or chemical attack that retains its strength and rigidity at high temperatures. Wikipedia
Refractory is a furniture, lighting and objects brand and design studio based in Chicago.
/rəˈfræktəri/ · adjective. stubbornly resistant to authority or control. “a refractory child” · adjective. not responding to treatment · adjective. temporarily ...
Refractory, any material that has an unusually high melting point and that maintains its structural properties at very high temperatures.
adjective · hard or impossible to manage; stubbornly disobedient: a refractory child. Synonyms: ungovernable, recalcitrant, disobedient, intractable, headstrong ...
Refractories are produced from natural and synthetic materials, usually nonmetallic, or combinations of compounds and minerals such as alumina, fireclays, ...
REFRACTORY meaning: 1. not affected by a treatment, change, or process: 2. difficult to control; unwilling to obey…. Learn more.
A material or piece of material, such as a brick, that has a very high melting point. A plant or factory that produces such material.
refractory ... In medicine, describes a disease or condition that does not respond to treatment. Search NCI's Dictionary of Cancer Terms.