A specific chemical reaction often referred to in organic chemistry involving reaction between a certain compound and a Bucherer reagent.

A response or effect resulting from an event or situation, commonly used in psychology.

प्रतिक्रिया (घटना या स्थिति के परिणामस्वरूप प्रभाव)

English Usage: The patient's reaction to the medication was surprisingly positive.

Hindi Usage: मरीज की दवा के प्रति प्रतिक्रिया आश्चर्यजनक रूप से सकारात्मक थी।