Of a substance: resisting the action of heat, having a high melting point. More widely: difficult to work. Also figurative.
| 单词 | θ73466 |
| 释义 | the world > matter > constitution of matter > hardness > types of hardness > [adjective] > difficult to work in any way (1) refractory1741 Of a substance: resisting the action of heat, having a high melting point. More widely: difficult to work. Also figurative. |
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