A response or change in behavior as a result of an event.

An emotional or behavioral response.

एक भावनात्मक या व्यवहारिक प्रतिक्रिया।

English Usage: Her reaction to the news was surprising.

Hindi Usage: समाचार पर उसकी प्रतिक्रिया आश्चर्यजनक थी।

A small localized object to which can be ascribed physical or chemical properties.

A minute portion of matter.

मात्रा का एक छोटा हिस्सा।

English Usage: Dust particles can cause allergies in some people.

Hindi Usage: धूल के कण कुछ लोगों में एलर्जी पैदा कर सकते हैं।