WOLLASTON DOUBLET


Meaning of WOLLASTON DOUBLET in English

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.