单词 | caustic |
释义 | caustic [`kȯ·stik] CHEMISTRY 1. Burning or corrosive. 2. A hydroxide of a light metal. OPTICS A curve or surface which is tangent to the rays of an initially parallel beam after reflection or refraction in an optical system. PHYSICS A curve or surface which is tangent to adjacent orthogonals to waves that have been reflected or refracted from a curved surface. |
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