Definition of macrobian in English:

macrobian

Pronunciation /məˈkrəʊbɪən/

adjective

rare
  • Long-lived; relating to the prolongation of life.

Origin

Late 17th century; earliest use found in Peter Motteux (1663–1718), journalist and translator. From ancient Greek μακρόβιος long-lived (from μακρός + βίος life) + -an.