orthopedal

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English

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Adjective

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orthopedal (not comparable)

  1. (mathematics) Orthogonal to the foot of a geometric figure.
    • 1936, Norman Alliston, Mathematical snack bar: a collection of notes and results, page 11:
      On the other hand, the sides of the orthopedal Δ are equal to a cos A, etc. Hence, calling R, P, S, J circumradius, inradius, perimeter and area of ABC, an original Δ ; and r, p. s. j. those of DEF its orthopedal Δ, we have this neat reciprocation : Δ ABC = PS = Rs;
    • 1952, Marshall Henry Haddock, The Basis of Mine Surveying, page 26:
      The incentre of the orthopedal triangle is the orthocentre of the parent triangle.
  2. (rare) Alternative form of orthopedic
    • 1886, Medical Progress - Volume 1, page 600:
      The orthopedal corsets give bad results.
    • 2000, Dafydd ab Hugh, The Liberated: Rebels #3, →ISBN:
      "My bag," said the doctor. "Orthopedal stimulator. Looks like -- saltshaker --- teal."
    • 2016, PD Drumheller, CD Claude, Coating for a surface (US Patent 9,447,304):
      Examples of extracorporeal medical devices are non-implantable devices such as extracorporeal blood treatment devices, and transfusion devices. Devices may have neurological, peripheral, cardiac, orthopedal, dermal and gynecological application, inter alia.

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