ˈwu̇ləstən- noun
Usage: usually capitalized W
Etymology: after William H. Wollaston died 1828
: a magnifying glass made of two plano-convex lenses and designed to correct spherical and chromatic aberration
ˈwu̇ləstən- noun
Usage: usually capitalized W
Etymology: after William H. Wollaston died 1828
: a magnifying glass made of two plano-convex lenses and designed to correct spherical and chromatic aberration
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012