A remaining quantity, often referring to something left over after a process or calculation.

शेष

English Usage: The residual spectrum of the signal was analyzed to improve the filter's performance.

Hindi Usage: सिग्नल के शेष स्पेक्ट्रम का विश्लेषण किया गया ताकि फ़िल्टर के प्रदर्शन को सुधार सकें।