binormal

English

Etymology

Etymology tree
Proto-Indo-European *dwóh₁
Proto-Indo-European *dwi-
Proto-Italic *dwi-
Latin bi-bor.
English bi-
Proto-Indo-European *ǵneh₃-
Proto-Indo-European *-sḱéti
Proto-Indo-European *ǵn̥h₃sḱétider.
Proto-Hellenic *gignṓskō
Ancient Greek γιγνώσκω (gignṓskō)
Proto-Indo-European *-mṓ
Ancient Greek -μων (-mōn)
Ancient Greek γνώμων (gnṓmōn)bor.
Etruscanbor.?
Latin norma
Proto-Indo-European *h₂el-
Proto-Indo-European *-is
Proto-Indo-European *h₂élisder.?
Proto-Italic *-ālis
Latin -ālis
Latin nōrmālisder.
English normal
English binormal

    From bi- + normal.

    Noun

    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

    binormal (not comparable)

    1. (mathematics) Describing such a line.

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    Anagrams

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