European physa
Dimly lit, as at dusk (evening). / Having a shade of color that is rather dark. / (dated, literary) Dark-skinned. / Ashen; having a greyish skin coloration.
(algebra, order theory) A bounded distributive lattice equipped with an involution (typically denoted ¬ or ~) which satisfies De Morgan's laws.
Physella acuta (or Physa acuta), a freshwater snail endemic to Europe and North America.
Obsolete form of view.
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