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reacts
1 dictionary results for: reacts
American Heritage Dictionary - Cite This Source - Share This
re·act       (rē-ākt')  Pronunciation Key 
v.   re·act·ed, re·act·ing, re·acts

v.   intr.
  1. To act in response to or under the influence of a stimulus or prompting: reacted strongly to the sarcastic tone of the memorandum.
  2. To act in opposition to a former condition or act: composers who reacted against romanticism.
  3. To act reciprocally or in return.
  4. Chemistry To undergo a reaction: Methane reacts with hydroxyl to produce formaldehyde.

v.   tr. Chemistry
To cause (a substance or substances) to undergo a reaction.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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