noun🔗Shareपिस्टनA solid disk or cylinder that fits inside a hollow cylinder, and moves under pressure (as in an engine) or displaces fluid (as in a pump)"The car engine uses pistons to convert the fuel's energy into movement. "कार इंजन ईंधन की ऊर्जा को गति में बदलने के लिए पिस्टन का उपयोग करता है।machinetechnicalpartdeviceChat with AIVocabulary GamePractice Reading
noun🔗Shareपिस्टनA valve device in some brass instruments for changing the pitch"The trumpet player pressed the pistons to change the notes of the song. "ट्रम्पेट वादक ने गाने के नोट्स बदलने के लिए पिस्टन दबाए।musicdevicetechnicalChat with AIVocabulary GamePractice Reading
