reactive

形容词 adj.
/ɹiːˈæktɪv/    /ɹiˈæktɪv/|/ɹiːˈæktɪv/

英文释义

形容词 adj.
  1. That reacts or responds to a stimulus.
  2. That readily takes part in reactions.
    — francium is the most reactive of the alkali metals.
  3. Characterized by induction or capacitance rather than resistance.
  4. Reacting to the past rather than anticipating the future, not predictive.

词形变化

more reactive comparative most reactive superlative

词源

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.
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