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Webster 1913 Edition


Reactive

Re-act′ive

(rē̍-ăkt′ĭv)
,
Adj.
[Cf. F.
réactif
.]
Having power to react; tending to reaction; of the nature of reaction.
Re-act′ive-ly
,
adv.
Re-act′ive-ness
,
Noun.

Definition 2024


reactive

reactive

See also: réactivé, réactive, and reactivé

English

Adjective

reactive (comparative more reactive, superlative most reactive)

  1. that reacts or responds to a stimulus
  2. (chemistry) that readily takes part in reactions
    francium is the most reactive of the alkali metals.
  3. (electronics) Characterized by induction or capacitance rather than resistance.
  4. Reacting to the past rather than anticipating the future, not predictive.

Antonyms

Derived terms

Translations

Anagrams


Spanish

Verb

reactive

  1. Formal second-person singular (usted) imperative form of reactivar.
  2. First-person singular (yo) present subjunctive form of reactivar.
  3. Formal second-person singular (usted) present subjunctive form of reactivar.
  4. Third-person singular (él, ella, also used with usted?) present subjunctive form of reactivar.