Nouns denoting two and three dimensional shapes
- enclosed space
- space that is surrounded by something
- node
- a connecting point at which several lines come together
- heart
- a plane figure with rounded sides curving inward at the top and intersecting at the bottom; conventionally used on playing cards and valentines
- trapezium
- a quadrilateral with no parallel sides
- polyhedron
- a solid figure bounded by plane polygons or faces
- flare
- a shape that spreads outward
- excrescence
- something that bulges out or is protuberant or projects from its surroundings
- double helix
- a pair of parallel helices intertwined about a common axis
- curtate cycloid
- a cycloid generated by a point inside the rolling circle
- lower bound
- (mathematics) a number equal to or less than any other number in a given set
- funnel shape
- a conical shape with a wider and a narrower opening at the two ends
- 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
- blob
- an indistinct shapeless form
- spherical angle
- an angle formed at the intersection of the arcs of two great circles
- pipe
- a hollow cylindrical shape
- line of heart
- a crease on the palm; palmists say it indicates your emotional nature
- lifeline
- a crease on the palm; its length is said by palmists to indicate how long you will live
- figure of eight
- a two-dimensionsal figure having the shape of the number eight
- fringe
- the outside boundary or surface of something
- scoop
- a hollow concave shape made by removing something
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