| vital force 
 
 (biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms
 • Syn:
 life force, vitality, elan vital
 • Derivationally related forms:
 vital (for: vitality)
 • Topics:
 biology, biological science
 • Hypernyms:
 force
 
 
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