ˈkädiŋtən- noun
Usage: usually capitalized C
Etymology: after Henry Coddington died 1845 English mathematician
: a hand magnifier consisting of a lens made from a glass sphere around which a deep equatorial groove acting as a diaphragm has been cut
ˈkädiŋtən- noun
Usage: usually capitalized C
Etymology: after Henry Coddington died 1845 English mathematician
: a hand magnifier consisting of a lens made from a glass sphere around which a deep equatorial groove acting as a diaphragm has been cut
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012