lining consisting of material with a high melting point; used to line the inside walls of a furnace 同义词:furnace lining
形容词
stubbornly resistant to authority or control; "a fractious animal that would not submit to the harness"; "a refractory child" 同义词:fractious, recalcitrant
temporarily unresponsive or not fully responsive to nervous or sexual stimuli; "the refractory period of a muscle fiber"
not responding to treatment; "a stubborn infection"; "a refractory case of acne"; "stubborn rust stains" 同义词:stubborn
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 ".