 |
refractory
| Babylon English | Download this dictionary |
refractory
adj.
stubborn, obstinate; resistant to usual treatments; difficult to fuse or process
| English Wikipedia - The Free Encyclopedia | Download this dictionary |
Refractory
A refractory material is one that retains its strength at high temperatures. ASTM C71 defines refractories as "non-metallic materials having those chemical and physical properties that make them applicable for structures, or as components of systems, that are exposed to environments above ".
| See more at Wikipedia.org... |
© This article uses material from Wikipedia® and is licensed under the GNU Free Documentation License and under the Creative Commons Attribution-ShareAlike License
| WordNet 2.0 | Download this dictionary |
refractory
Noun
1. lining consisting of material with a high melting point; used to line the inside walls of a furnace
(synonym) furnace lining
(hypernym) lining
(substance-meronym) fireclay
Adjective
1. resistant to authority or control; "as refractory as a mule"
(similar) uncooperative
2. not responding to treatment; "a stubborn infection"; "a refractory case of acne"
(synonym) stubborn
(similar) intractable
(classification) medicine, medical specialty
3. marked by stubborn resistance to and defiant of authority or guidance; "a recalcitrant teenager"; "everything revolves around a refractory individual genius"
(synonym) recalcitrant
(similar) intractable
4. stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child"
(synonym) fractious
(similar) disobedient
| Webster's Revised Unabridged Dictionary (1913) | Download this dictionary |
Refractory
(n.)
Refractoriness.
Refractoriness.
(n.)
OPottery) A piece of ware covered with a vaporable flux and placed in a kiln, to communicate a glaze to the other articles.
OPottery) A piece of ware covered with a vaporable flux and placed in a kiln, to communicate a glaze to the other articles.
(n.)
A refractory person.
A refractory person.
(a.)
Resisting ordinary treatment; difficult of fusion, reduction, or the like; -- said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore.
Resisting ordinary treatment; difficult of fusion, reduction, or the like; -- said especially of metals and the like, which do not readily yield to heat, or to the hammer; as, a refractory ore.
(a.)
Obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast.
Obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
| Dictionary of Medicine (Shahram) | Download this dictionary |
Refractory
Not yielding (at least not yielding readily) to treatment.
Anemia, refractory
Anemia (a shortage of red blood cells) unresponsive to treatment.
