| 单词 | refractory |
| 释义 | refractory adj. & n. --adj 1. stubborn, unmanageable, rebellious. 2. a (of a wound, disease, etc.) not yielding to treatment. b (of a person etc.) resistant to infection. 3. (of a substance) hard to fuse or work. --n (pl. -ies) a substance especially resistant to heat, corrosion, etc. Derivatives refractorily adv. refractoriness n. Etymology: alt. of obs. refractary f. L refractarius (as REFRACT) |
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