| Wollaston's doublet | A combination of two planoconvex lenses in the eyepiece of a microscope designed to correct the chromatic aberration. (05 Mar 2000) |
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| Wollaston's theory | A theory that the semidecussation of the optic nerves at the chiasm is proved by the homonymous hemianopia seen in brain lesions. (05 Mar 2000) |
| Wollaston, William | <person> English physician and physicist, 1766-1828. See: Wollaston's doublet, Wollaston's theory. (05 Mar 2000) |
| wollastonite | <chemical> A silicate of lime of a white to gray, red, or yellow colour, occurring generally in cleavable masses, rarely in tabular crystals; tabular spar. Origin: After Dr. W. H. Wollaston, an English chemist, who died in 1828. Source: Websters Dictionary (01 Mar 1998) |