closed curve
Noun
Meaning
a curve (such as a circle) having no endpoints
Source: WordNetSynonyms
ellipse
hairpin turn
sharp bend
sharp curve
sharp turn
closed curved
closed curves
hard turn
tight turn
Hypernyms
Hyponyms
Examples
Our argument is not flatly circular, but something like it. It has the form, figuratively speaking, of a closed curve in space.