To undergo a reduction in temperature or fever.

बुखार में कमी आना

English Usage: The patient's fever started to defervesce after the medication was administered.

Hindi Usage: दवा दिए जाने के बाद मरीज का बुखार कम होना शुरू हो गया।

The process of becoming less intense; a decrease in fervor.

तीव्रता में कमी आना

English Usage: After the excitement of the event, the enthusiasm began to defervesce.

Hindi Usage: कार्यक्रम की उत्साह के बाद, उत्साह में कमी आनी शुरू हो गई।