a. [ Gr. &unr_; together + &unr_; force. ] (Photog.) Uniting the chemical rays of light into one focus, as a certain kind of lens; amacratic. [ 1913 Webster ]
a. [ Gr. 'asqeniko`s; 'a priv. + sqe`nos strength. ] (Med.) Characterized by, or pertaining to, debility; weak; debilitating. [ 1913 Webster ]