Definition of Aalenian in English:

Aalenian

(also Aalenien, Aalénien)

noun

Geology
  • A stage at the lowest level of the Middle Jurassic, lying next below the Bajocian; the geological age corresponding to this stage.

adjective

Geology
  • Designating this stage and age; of or relating to this stage.

Origin

Late 19th century; earliest use found in Hardwicke's Science-gossip. In some forms from Aalen, the name of a town in Baden-Württemberg, Germany + -ian, after French aalénien. In some forms directly from French aalénien.

Pronunciation:

Aalenian

/ɑːˈliːnɪən//ɑːˈlɛnɪən/