noun🔗ShareHauptfederThe principal spring of a clockwork mechanism, which drives it by uncoiling."The old clock stopped working because the mainspring was broken. "Die alte Uhr funktionierte nicht mehr, weil die Hauptfeder gebrochen war.machineparttechnicaldevicetimeChat with AIVocabulary GamePractice Reading
noun🔗ShareHauptgrund, treibende KraftThe 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."Meine Tochter ist der Hauptgrund für mein Leben.businessattitudemindphilosophyChat with AIVocabulary GamePractice Reading
