monogon

  1. Noun.  (geometry) A one-dimensional object comprising one vertex and one (not necessarily straight) edge both of whose ends are that vertex.
  2. Noun.  (geometry) A two-dimensional object comprising one vertex, one edge both of whose ends are that vertex, and one face filling in the hollow formed by that edge.
  3. Noun.  (optics) A single-faceted reflector.

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This entry was last updated on RefTopia from its source on 3/20/2012.