fermat's principle

Fermat's principle

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Definitions of fermat's principle words

noun fermat's principle Optics. the law that the path taken by a ray of light in going from one point to another point will be the path that requires the least time. 1
noun fermat's principle the principle that a ray of light passes from one point to another in such a way that the time taken is a minimum 0

before 1885

One of the 21% newest English words

First recorded in 1885-90; named after P. de Fermat

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exclamation

This term is known only to a narrow circle of people with rare knowledge. Only 1% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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