Jisho

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Noun, Suru verb, Intransitive verb
1. bending; curving; twisting; turning; winding
Noun, Suru verb, Intransitive verb
2. warping (of feelings, logic, etc.); distortion; twisting
Noun, Suru verb, Intransitive verb
3. refraction
Noun, Suru verb, Intransitive verb
4. inflectionLinguistics
Wikipedia definition
5. RefractionRefraction is the change in direction of a wave due to a change in its speed. It is essentially a surface phenomenon . The phenomenon is mainly in governance to the law of conservation of energy and momentum. The proper explanation would be that due to change of medium, the phase velocity of the wave is changed but its frequency remains constant. This is most commonly observed when a wave passes from one medium to another at any angle other than 90° or 0°.
Read “Refraction” on English Wikipedia
Read “屈折” on Japanese Wikipedia
Read “Refraction” on DBpedia

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