1. (biology) a hypothetical force (not physical or chemical) once thought by Henri Bergson to cause the evolution and development of organisms
   - life force, vital force, vitality

Type of: force

• naval architect
• naval attaché
• naval battle
• naval blockade
• naval brass
• Triticum spelta
• Triticum turgidum
• tritium
• tritoma
• triton
• tritone
• triturate
• Triturus
• Triturus vulgaris
• triumph
• triumphal
• triumphal arch
• triumphalism
• triumphalist
• triumphant
• triumphantly
• triumvir
• triumvirate
• triune
• trivalent