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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

figure go
a combination of points and lines and planes that form a visible palpable shape

plane figure, two-dimensional figure go
a two-dimensional shape

conic section, conic go
(geometry) a curve generated by the intersection of a plane and a circular cone

ellipse, oval go
a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it

circle
ellipse in which the two axes are of equal length

noun.shape

4 Subcategories

circle of curvature, osculating circle go
the circle that touches a curve (on the concave side) and whose radius is the radius of curvature
circlet go
a small circle
equator go
a circle dividing a sphere or other surface into two usually equal and symmetrical parts
epicycle go
a circle that rolls around (inside or outside) another circle