n. [ Gr. 'amfi` + -gen: cf. F. amphigène. ] (Chem.) An element that in combination produces amphid salt; -- applied by Berzelius to oxygen, sulphur, selenium, and tellurium. [ R. ] [ 1913 Webster ]

n. (Min.) Leucite. [ 1913 Webster ]

n. [ Gr. 'amfi` + &unr_; generation. ] (Biol.) Sexual generation; amphigony. [ 1913 Webster ]

a. (Bot.) Increasing in size by growth on all sides, as the lichens. [ 1913 Webster ]