Definition of Positive crystal

1. Noun. (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 as quartz and ice; as opposed to negative crystal: one in which this characteristic is reversed, such as Iceland spar or tourmaline. ¹



¹ Source: wiktionary.com

Positive Crystal Pictures

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Lexicographical Neighbors of Positive Crystal

positioned
positioner
positioners
positioning
positioning time
positionings
positionless
positions
positive
positive(p)
positive-edge-triggered
positive charge
positive chemotaxis
positive correlation
positive crystal (current term)
positive degree
positive drainage
positive economics
positive edge
positive edge-triggered
positive edges
positive feedback
positive fraud
positive identification
positive law
positive laws
positive linear functional
positive logic
positive magnetic pole

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