noun
Usage: usually capitalized F
: a rhombic prism of glass used to transform plane polarized light into circularly polarized or elliptically polarized light
noun
Usage: usually capitalized F
: a rhombic prism of glass used to transform plane polarized light into circularly polarized or elliptically polarized light
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012