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reaction |
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reaction 1. opposition to change, esp political change, or a desire to return to a former condition or system 2. a response indicating a person's feelings or emotional attitude 3. Med a. any effect produced by the action of a drug, esp an adverse effect b. any effect produced by a substance (allergen) to which a person is allergic the simultaneous equal and opposite force that acts on a body whenever it exerts a force on another body 4. short for chemical reaction, nuclear reaction reaction [rē′ak·shən] (control systems) (mechanics) The equal and opposite force which results when a force is exerted on a body, according to Newton's third law of motion. (nuclear physics) How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The FDC radios allowed the cell to establish a base defense net that coordinated eight OPs, a four-gun truck base defense reaction force and two ECPs. Avoid asking "why" because it elicits a defense reaction. |
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