单词 | caustic |
释义 | caus·tic ![]() adj. 1. Capable of burning, corroding, dissolving, or eating away by chemical action. 2. Sarcastic or cutting; biting: "The caustic jokes ... deal with such diverse matters as political assassination, talk-show hosts, medical ethics" (Frank Rich). 3. Given to making caustic remarks: a caustic TV commentator. n. 1. A caustic material or substance. 2. A hydroxide of a light metal. 3. The enveloping surface formed by light rays reflecting or refracting from a curved surface, especially one with spherical aberration. [Middle English caustik, from Latin causticus, from Greek kaustikos, from kaustos, from kaiein, kau-, to burn.] causti·cal·ly adv. caus·tici·ty (kô-stĭsĭ-tē) n. |
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