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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 indicatrix
 指數軌跡

From: Taiwan MOE computer dictionary

 indicatrix
 指示

From: Webster's Revised Unabridged Dictionary (1913)

 In·di·ca·trix n.  Geom. of Three Dimensions A certain conic section supposed to be drawn in the tangent plane to any surface, and used to determine the accidents of curvature of the surface at the point of contact. The curve is similar to the intersection of the surface with a parallel to the tangent plane and indefinitely near it. It is an ellipse when the curvature is synclastic, and an hyperbola when the curvature is anticlastic.
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