GNU Collaborative International Dictionary of English

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1.       
   Deflection (?), n. [L. deflexio, fr. deflectere: cf. F. déflexion.]
   1. The act of turning aside, or state of being turned aside; a turning from a right line or proper course; a bending, esp. downward; deviation.
   
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   The other leads to the same point, through certain deflections. Lowth.
   
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   2. (Gunnery) The deviation of a shot or ball from its true course.
   
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   3. (Opt.) A deviation of the rays of light toward the surface of an opaque body; inflection; diffraction.
   
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   4. (Engin.) The bending which a beam or girder undergoes from its own weight or by reason of a load.
   
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