What is another word for closed curve?
Pronunciation: [klˈə͡ʊzd kˈɜːv] (IPA) 
A closed curve is a shape that starts and ends at the same point, creating a complete loop. There are a variety of synonyms for closed curve, including closed loop, closed contour, closed path, and closed line. Another synonym is closed polygon, which is a two-dimensional shape formed by connecting straight lines to form a closed curve. Other related terms that can be used interchangeably with closed curve include closed shape, closed figure, and closed region. Regardless of the word choice, a closed curve is an important concept in geometry and can be found in many natural and man-made structures.
