'Vitalism' definitions:

Definition of 'vitalism'

From: WordNet
noun
(philosophy) a doctrine that life is a vital principle distinct from physics and chemistry

Definition of 'Vitalism'

From: GCIDE
  • Vitalism \Vi"tal*ism\, n. (Biol.) The doctrine that all the functions of a living organism are due to an unknown vital principle distinct from all chemical and physical forces. [1913 Webster]