The process of becoming larger or wider, often referring to a part of the body or an object.
फैलाव की प्रक्रिया
English Usage: The dilatational component of the artery was crucial for understanding blood flow.
Hindi Usage: धमनियों का फैलाव की प्रक्रिया रक्त प्रवाह को समझने के लिए महत्वपूर्ण थी।