English

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Etymology

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From bi- +‎ normal.

Noun

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binormal (plural binormals)

  1. (mathematics) A line that is at right angles to both the normal and the tangent of a point on a curve and, together with them, forms three orthogonal axes

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Adjective

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binormal (not comparable)

  1. (mathematics) describing such a line

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Anagrams

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