life force

Noun
  1. (biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms (synset 111544272)
    referred to in: biological science, biology - the science that studies living organisms
    is a type of: force - (physics) the influence that produces a change in a physical quantity
    same as: elan vital, vital force, vitality

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