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{%type%} Definitions

WordNet 3.0Copyright Princeton University
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Short "hint"

A plane curve determined as the collection of pairs of points located on converging rays crossing a fixed line or curve from which each point of the pair is equidistant, measured along a ray.

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Usage examples (6)
  • Noun : r
  • The areas of visibility for 23 of these eclipses were conchoid and for 12 were cylindrical.
  • The curves for the areas in which an umbral eclipse is viewed as partial are of two sorts: cylindrical and conchoid.
  • The = pileus = varies from a regular wedge-shape to spathulate, or more or less irregularly petaloid, or conchoid forms, the extremes of size and form being shown in...
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