Refractory (disambiguation)
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Look up refractory in Wiktionary, the free dictionary. |
Refractory is the quality of a material to retain its strength at high temperatures. Refractory may also refer to:
[edit] In materials
- Refraction (metallurgy), the resistance of metals to heat
- Refractory metals, metals that are resistant to heat
- Refractory ceramics, ceramics that are resistant to heat
- Refractory (mineral processing), metallic minerals that are difficult to liberate in traditional processes (i.e. refractory gold ores).
[edit] In biology
- Refractory depression, a depression that does not respond to common modes of treatment
- Refractory period, the time after an action potential during which a membrane can not depolarize
- Refractory period (sex), a period after orgasm during which it is impossible to achieve another orgasm
[edit] Other
- Refractory (astronomy), any material, which condenses at high temperature.
- Refractory disease, one not responsive to a treatment.
- Refractory clergymen, Roman Catholic priests and bishops in France who refused to swear an oath of allegiance to the state during the Civil Constitution of the Clergy
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