noun🔗ShareRessort moteurThe principal spring of a clockwork mechanism, which drives it by uncoiling."The old clock stopped working because the mainspring was broken. "La vieille horloge a cessé de fonctionner parce que le ressort moteur était cassé.machineparttechnicaldevicetimeChat with AIVocabulary GamePractice Reading
noun🔗ShareRessort principal, cause essentielleThe most important reason for something (Cf. spring "origin of something" (literary) (often in the plural) the springs of her ambition)."My daughter is the mainspring of my life."Ma fille est le ressort principal de ma vie.businessattitudemindphilosophyChat with AIVocabulary GamePractice Reading
