| 单词 | refractory |
| 释义 | refractory —refractorily, adv. —refractoriness, n. /ri frak"teuh ree/, adj., n., pl. refractories. adj. 1. hard or impossible to manage; stubbornly disobedient: a refractory child. 2. resisting ordinary methods of treatment. 3. difficult to fuse, reduce, or work, as an ore or metal. n. 4. a material having the ability to retain its physical shape and chemical identity when subjected to high temperatures. 5. refractories, bricks of various shapes used in lining furnaces. [1600-10; var. of refractary (by analogy with adjectives in -ORY1) < L refractarius stubborn, obstinate, equiv. to refract(us) (see REFRACT) + -arius -ARY] Syn. 1. obstinate, perverse, mulish, headstrong, intractable, disobedient, recalcitrant, ungovernable. See unruly. Ant. 1. obedient, tractable. |
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