Word Meanings - INDICATRIX - Book Publishers vocabulary database

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.

• Parallelogrammic
  Alt. of Parallelogrammical
• Planetoid
  A body resembling a planet; an asteroid.
• Pointingstock
  An object of ridicule or scorn; a laughingstock.
• Similary
  Similar.
• Surfaced
  of Surface
• PLANETICPLANETICAL
  Of or pertaining to planets. Sir T. Browne.
• Ellipses
  of Ellipsis
• Hyperbola
  A curve formed by a section of a cone, when the cutting plane makes a greater angle with the base than the side of the cone makes. It is a plane curve such that the difference of the distances from any point of it to two fixed points, called foci,
• Parallelogrammical
  Having the properties of a parallelogram.
• Planetoidal
  Pertaining to a planetoid.
• Pointless
  Having no point; blunt; wanting keenness; obtuse; as, a pointless sword; a pointless remark.
• Supposable
  Capable of being supposed, or imagined to exist; as, that is not a supposable case.
• Surfacer
  A form of machine for dressing the surface of wood, metal, stone, etc.
• PLANETREE
  Same as 1st Plane.
• Contaction
  Act of touching.
• Indefinitely
  In an indefinite manner or degree; without any settled limitation; vaguely; not with certainty or exactness; as, to use a word indefinitely.
• Parallelopiped
  A solid, the faces of which are six parallelograms, the opposite pairs being parallel, and equal to each other; a prism whose base is a parallelogram.
• Plane tree
  Same as 1st Plane.
• Pointlessly
  Without point.

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