The process of corroding metal, or the deterioration of materials due to chemical reactions.

धातु का क्षय

English Usage: The fretting corrosion on the metal components led to their failure.

Hindi Usage: धातु के घटकों पर हुआ धातु का क्षय उनकी विफलता का कारण बना।

To feel or express worry, anxiety, or concern.

चिंता करना

English Usage: She was fretting about the upcoming exam.

Hindi Usage: वह आने वाली परीक्षा को लेकर चिंतित थी।