wollastonite
wollastonite is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.
Definitions
- 1.A silicate of lime of a white to gray, red, or yellow color, occurring generally in cleavable masses, rarely in tabular crystals; tabular spar. WOLLASTON'S DOUBLET Wol"las*ton's dou"blet. [After W. H. Wollaston, English physicist.] (Optics) A magnifying glass consisting of two plano-convex lenses. It is designed to correct spherical aberration and chromatic dispersion.
Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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- Definitions: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).
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