Nouns denoting two and three dimensional shapes
- helix
- a curve that lies on the surface of a cylinder or cone and cuts the element at a constant angle
- round shape
- a shape that is curved and without sharp angles
- round angle
- an angle of 360 degrees
- tetrahedron
- any polyhedron having four plane faces
- parallelopipedon
- a prism whose bases are parallelograms
- scalene triangle
- a triangle with no two sides of equal length
- nubble
- a small lump or protuberance
- right-angled triangle
- a triangle with one right angle
- AZ
- the azimuth of a celestial body is the angle between the vertical plane containing it and the plane of the meridian
- flank
- a subfigure consisting of a side of something
- keel
- a projection or ridge that suggests a keel
- pentagon
- a five-sided polygon
- bulb
- anything with a round shape resembling a teardrop
- score
- a slight surface cut (especially a notch that is made to keep a tally)
- curtate cycloid
- a cycloid generated by a point inside the rolling circle
- octahedron
- any polyhedron having eight plane faces
- taper
- a convex shape that narrows toward a point
- polygon
- a closed plane figure bounded by straight sides
- acute angle
- an angle less than 90 degrees but more than 0 degrees
- cuneus
- any shape that is triangular in cross section
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