Physics. A point, or a small region or object, from which light or heat radiates; a substance or object emitting radiation. Now rare.
| 单词 | θ72666 |
| 释义 | the world > matter > properties of materials > temperature > heat > [noun] > radiation of heat > point or object radiating heat (1) radiant1728 Physics. A point, or a small region or object, from which light or heat radiates; a substance or object emitting radiation. Now rare. |
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