external_angle
1. [ noun ] (mathematics,geometry) the supplement of an interior angle of a polygon
Synonyms: exterior_angle
Related terms: angle
Similar spelling:   external_organ
  external_ear
  exterior_angle
  external_gill
  externalize
  externalise
  external_drive
  external_storage
  external_orifice
  externality
  externalization
  externalisation
  external_carotid