Refractory (disambiguation)

Encyclopedia : R : RE : REF : Refractory (disambiguation)

Refractory may refer to:

Refractory materials, materials that retain their strength and other material properties under high temperatures.
Refraction (metallurgy), the resistance of metals to heat.
Refractory metals, metals that are resistant to heat.
Refractory clergymen, members of the clergy who refused to swear an oath to the French Revolution-era French state under the Civil Constitution of the Clergy. See non-juror.
In medicine, refractory refers to a disease or condition that does not respond to common modes of treatment, e.g. refractory depression.
In physiology, refractory period refers to the time after an action potential during which a membrane in unable to sustain another depolarization.

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