Search Result for "life principle":
Wordnet 3.0

NOUN (1)

1. a hypothetical force to which the functions and qualities peculiar to living things are sometimes ascribed;
[syn: vital principle, life principle]



WordNet (r) 3.0 (2006):

life principle
    n 1: a hypothetical force to which the functions and qualities
         peculiar to living things are sometimes ascribed [syn:
         vital principle, life principle]