optic axis

noun

Definition of optic axis

: a line in a doubly refracting medium that is parallel to the direction in which all components of plane-polarized light travel with the same speed

First Known Use of optic axis

1664, in the meaning defined above

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The first known use of optic axis was in 1664

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optic axis

noun

Medical Definition of optic axis

More from Merriam-Webster on optic axis

Britannica.com: Encyclopedia article about optic axis

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