refractory – מילון אנגלי-אנגלי
refractory
adj.
stubborn, obstinate; resistant to usual treatments; difficult to fuse or process
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 ".
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
Refractory
(n.)
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.
(n.)
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.
(a.)
Obstinate in disobedience; contumacious; stubborn; unmanageable; as, a refractory child; a refractory beast.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
Refractory
Not yielding (at least not yielding readily) to treatment.
Anemia, refractory
Anemia (a shortage of red blood cells) unresponsive to treatment.