reactive

adj.

1. Tending to be responsive or to react to a stimulus.
2. Characterized by reaction.
3. Chemistry & Physics. Tending to participate readily in reactions.

reactively re·ac'tive·ly adv.
reactiveness re·ac'tive·ness or re'ac·tiv'i·ty n.

(rē-ăk'tĭv)
adj.

1. Tending to be responsive or to react to a stimulus.
2. Characterized by reaction.
3. Tending to participate readily in chemical reactions.

Note: click on a word meaning below to see its connections and related words.

The adjective has 2 meanings:

Meaning #1: (chemistry and physics) participating readily in reactions
  Antonym: unreactive (meaning #1)

Meaning #2: tending to react to a stimulus

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Dansk (Danish)
adj. - reaktiv, i stand til at reagere, initiativløs

Nederlands (Dutch)
reactief

Français (French)
adj. - (Chim) réactif, (Psych) réactionnel

Deutsch (German)
adj. - reaktiv

Ελληνική (Greek)
adj. - αντιδραστικός, αντενεργός

Italiano (Italian)
reattivo

Português (Portuguese)
adj. - reativo

Русский (Russian)
реактивный, обратной связи, индуктивный

Español (Spanish)
adj. - reactivo

Svenska (Swedish)
adj. - motverkande, reaktiv

中文（简体）(Chinese (Simplified))
反动的, 反冲的, 反应性的, 活性的, 化学反应的

中文（繁體）(Chinese (Traditional))
adj. - 反動的, 反沖的, 反應性的, 活性的, 化學反應的

한국어 (Korean)
adj. - 반동적인, 반발적인, 민감한

日本語 (Japanese)
adj. - 反動的な, 反作用的な

العربيه (Arabic)
‏(صفه) رجعي‏

עברית (Hebrew)
adj. - ‮של תגובה, מגיב במקום ליזום, מגיב‬

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