A quantity equal to one thousand thousand (1,000,000)

एक लाख

English Usage: The jackpot was worth a million dollars.

Hindi Usage: जैकपॉट एक लाख डॉलर का था।

A chemical change resulting from a chemical process.

रासायनिक प्रतिक्रिया

English Usage: The scientist observed the reaction between the two chemicals.

Hindi Usage: वैज्ञानिक ने दो रसायनों के बीच की प्रतिक्रिया देखी।

An action performed or a feeling experienced in response to a situation or an event.

प्रतिक्रिया

English Usage: Her reaction to the news was surprising.

Hindi Usage: खबर पर उसकी प्रतिक्रिया आश्चर्यजनक थी।