A term often used in a context to describe something that's reactive or responsive to stimuli.
प्रतिक्रियाशील
English Usage: The achactous response of the material surprised the researchers.
Hindi Usage: सामग्री की प्रतिक्रियाशील प्रतिक्रिया शोधकर्ताओं को आश्चर्यचकित कर गई।