| 单词 | caustic |
| 释义 | caustic adj. & n. --adj 1. that burns or corrodes organic tissue. 2. sarcastic, biting. 3. Chem. strongly alkaline. 4. Physics formed by the intersection of reflected or refracted parallel rays from a curved surface. --n 1. a caustic substance. 2. Physics a caustic surface or curve. Phrases and idioms caustic potash potassium hydroxide. caustic soda sodium hydroxide. Derivatives caustically adv. causticity n. Etymology: L causticus f. Gk kaustikos f. kaustos burnt f. kaio burn |
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