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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstraction, abstract entity go
a general concept formed by extracting common features from specific examples

attribute go
an abstraction belonging to or characteristic of an entity

shape, form go
the spatial arrangement of something as distinct from its substance

line go
a length (straight or curved) without breadth or thickness

curve, curved shape go
the trace of a point whose direction of motion changes

roulette, line roulette
a line generated by a point on one figure rolling around a second figure

noun.shape

3 Subcategories

cycloid go
a line generated by a point on a circle rolling along a straight line
epicycloid go
a line generated by a point on a circle rolling around another circle
hypocycloid go
a line generated by a point on a circle that rolls around inside another circle