vital force

Từ điển WordNet v3.1 - WordNet Dictionary

noun

(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