Refraction



GRE Barron TOEFL

解释

GRE 红宝书

• n.折射
• ［英］ n.折射 ( bending of a ray of light)

Webster Collegiate

noun

• Date: 1603
• 1. deflection from a straight path undergone by a light ray or energy wave in passing obliquely from one medium (as air) into another (as glass) in which its velocity is different
• 2. the change in the apparent position of a celestial body due to bending of the light rays emanating from it as they pass through the atmosphere; also the correction to be applied to the apparent position of a body because of this bending
• 3. the action of distorting an image by viewing through a medium; also an instance of this

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