types:
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solid
a three-dimensional shape
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plane, sheet
(mathematics) an unbounded two-dimensional shape
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natural shape
a shape created by natural forces; not man-made
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flair, flare
a shape that spreads outward
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figure
a combination of points and lines and planes that form a visible palpable shape
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line
a length (straight or curved) without breadth or thickness; the trace of a moving point
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angular shape, angularity
a shape having one or more sharp angles
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round shape
a shape that is curved and without sharp angles
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distorted shape, distortion
a shape resulting from distortion
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amorphous shape
an ill-defined or arbitrary shape
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connection, connexion, link
a connecting shape
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circle
something approximating the shape of a circle
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square
something approximating the shape of a square
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triangle
something approximating the shape of a triangle
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column, pillar, tower
anything that approximates the shape of a column or tower
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plume
anything that resembles a feather in shape or lightness
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curve
a line on a graph representing data
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Cartesian plane
a plane in which all points can be described in Cartesian coordinates
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facet plane
the plane of a facet of an object (as of a cube)
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midline, midplane
the median plane of the body (or some part of the body)
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orbital plane
(astronomy) the plane on which a body is orbiting
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picture plane
the plane that is in the foreground of a drawing or painting; coextensive with but different from the objective surface of the work
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tangent plane
the plane that contains all the lines tangent to a specific point on a surface
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leaf form, leaf shape
any of the various shape that leaves of plants can assume
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equilateral
a figure whose sides are all equal
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pencil
a figure formed by a set of straight lines or light rays meeting at a point
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plane figure, two-dimensional figure
a two-dimensional shape
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solid figure, three-dimensional figure
a three-dimensional shape
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subfigure
a figure that is a part of another figure
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bulb
anything with a round shape resembling a teardrop
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convex shape, convexity
a shape that curves or bulges outward
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concave shape, concavity, incurvation, incurvature
a shape that curves or bends inward
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cylinder
a solid bounded by a cylindrical surface and two parallel planes (the bases)
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curve, curved shape
the trace of a point whose direction of motion changes
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straight line
a line traced by a point traveling in a constant direction; a line of zero curvature
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geodesic, geodesic line
(mathematics) the shortest line between two points on a mathematically defined surface (as a straight line on a plane or an arc of a great circle on a sphere)
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perimeter
a line enclosing a plane area
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center line, centerline
a line that bisects a plane figure
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cone, cone shape, conoid
a shape whose base is a circle and whose sides taper up to a point
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disc, disk, saucer
something with a round shape resembling a flat circular plate
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coil, curl, curlicue, gyre, ringlet, roll, scroll, whorl
a round shape formed by a series of concentric circles (as formed by leaves or flower petals)
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convolution, swirl, vortex, whirl
the shape of something rotating rapidly
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parallel
(mathematics) one of a set of parallel geometric figures (parallel lines or planes)
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polyhedron
a solid figure bounded by plane polygons or faces
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contortion, crookedness, torsion, tortuosity, tortuousness
a tortuous and twisted shape or position
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buckle, warp
a shape distorted by twisting or folding
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gnarl, knot
something twisted and tight and swollen
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forking, furcation
the place where something divides into branches
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jog
a sharp change in direction
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zag, zig, zigzag
an angular shape characterized by sharp turns in alternating directions
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ellipsoid of revolution, spheroid
a shape that is generated by rotating an ellipse around one of its axes
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sphere
a three-dimensional closed surface such that every point on the surface is equidistant from the center
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sphere
a solid figure bounded by a spherical surface (including the space it encloses)
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cylinder
a surface generated by rotating a parallel line around a fixed line
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toroid, torus
a ring-shaped surface generated by rotating a circle around an axis that does not intersect the circle
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toroid
the doughnut-shaped object enclosed by a torus
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columella
a small column (or structure resembling a column) that is a part of a plant or animal
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hoodoo
(geology) a column of weathered and unusually shaped rock
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rim
the shape of a raised edge of a more or less circular object
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bound, boundary, edge
a line determining the limits of an area
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bend, crease, crimp, flexure, fold, plication
an angular or rounded shape made by folding
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shapelessness
an amorphous or indefinite shape
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blob
an indistinct shapeless form
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space
an empty area (usually bounded in some way between things)
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node
a connecting point at which several lines come together
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articulation, join, joint, junction, juncture
the shape or manner in which things come together and a connection is made
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cast, mold, mould, stamp
the distinctive form in which a thing is made
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block, cube
a three-dimensional shape with six square or rectangular sides
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ovoid
an egg-shaped object
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frustum
a truncated cone or pyramid; the part that is left when a cone or pyramid is cut by a plane parallel to the base and the apical part is removed
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tendril
something long, light, slender, and often curling
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segment
the part of a line between any two points