資料來源 : Webster's Revised Unabridged Dictionary (1913)

Amphigen \Am"phi*gen\, n. [Gr. ? + -gen: cf. F. amphig[`e]ne.]
   (Chem.)
   An element that in combination produces amphid salt; --
   applied by Berzelius to oxygen, sulphur, selenium, and
   tellurium. [R.]