reactive
adjective
- prone to reacting
- give a response, reaction, response
Wiktionary
Pronunciation: /ɹiːˈæktɪv/ / /ɹiˈæktɪv/ / /ɹiːˈɛktəv/
adj
Etymology: Etymology tree English react Proto-Indo-European *-wós Proto-Indo-European *-iHwósder. Latin -īvus Old French -ifbor. Middle English -yf English -ive English reactive From react + -ive.
- That reacts or responds to a stimulus.
- That readily takes part in reactions.
“francium is the most reactive of the alkali metals.”
- Characterized by induction or capacitance rather than resistance.
- Reacting to the past rather than anticipating the future, not predictive.