Definition of alkaligen in English:

alkaligen

(also alkaligene)

noun

historical Chemistry
  • Originally: (A. F. de Fourcroy's name for) nitrogen. Later: a supposed essential component of alkalis.

Origin

Late 18th century. From alkali + -gen, after French alcaligène.

Pronunciation

alkaligen

/ˈalkəlɪdʒ(ə)n/