See Also: nicol(medicine)
Nicol(dictionary)
Nicol prism(medicine)

Nicol (iou)



Nicol noun. M19.
[William Nicol (d. 1851), Scot. physicist and geologist.]
Optics. In full Nicol prism, Nicol's prism. A prism consisting of two pieces of Iceland spar cemented together so as to transmit only the extraordinary ray of doubly refracted light.