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positive crystal. In DICTIOUS you will not only get to know all the dictionary meanings for the word
positive crystal, but we will also tell you about its etymology, its characteristics and you will know how to say
positive crystal in singular and plural. Everything you need to know about the word
positive crystal you have here. The definition of the word
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English
Noun
positive crystal (plural positive crystals)
- (optics) A doubly refracting crystal in which the index of refraction for the extraordinary ray is greater than for the ordinary ray, and the former is refracted nearer to the axis than the latter, such as quartz and ice; as opposed to negative crystal: one in which this characteristic is reversed, such as Iceland spar or tourmaline.
Antonyms