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Words Related to Colors and Shapes - Three-Dimensional Shapes
Read this lesson to learn the names of some three-dimensional shapes in English, such as "cuboid", "sphere" and "cylinder".
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solid
[noun]
(geometry) a shape that is not two-dimensional because it has height, width, and length
cuboid
[noun]
a three-dimensional geometric shape with six rectangular faces, resembling a box or a rectangular prism
spheroid
[noun]
(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points
sphere
[noun]
(geometry) a round object that every point on its surface has the same distance from its center
cone
[noun]
(geometry) a three dimensional shape with a circular base that rises to a single point
cylinder
[noun]
(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides
trihedron
[noun]
(geometry) a solid figure formed by three flat faces that intersect in a point
octahedron
[noun]
a geometric figure with eight triangular faces, twelve edges, and six vertices
dodecahedron
[noun]
a three-dimensional figure with twelve regular pentagonal faces, thirty edges, and twenty vertices
icosahedron
[noun]
a three-dimensional figure with twenty equilateral triangle faces, thirty edges, and twelve vertices
toroidal polyhedron
[noun]
a three-dimensional shape that wraps around a torus or doughnut-like surface
prism
[noun]
(geometry) a solid figure with flat sides and two parallel ends of the same size and shape
oblique prism
[noun]
a three-dimensional shape that has a pair of parallel bases connected by rectangular faces, with the bases not being perpendicular to the sides
right prism
[noun]
a three-dimensional shape that has a pair of parallel bases connected by rectangular faces, with the bases being perpendicular to the sides
uniform prism
[noun]
a three-dimensional shape that has two identical bases, and all sides are the same shape and size
triangular prism
[noun]
a three-dimensional shape with two triangular bases connected by three rectangular faces
square prism
[noun]
a type of uniform prism that has square bases and rectangular faces that connect the bases
pentagonal prism
[noun]
a type of uniform prism that has pentagonal bases and rectangular faces that connect the bases
hexagonal prism
[noun]
a type of uniform prism that has hexagonal bases and rectangular faces that connect the bases
rhombohedron
[noun]
a three-dimensional geometric figure with six identical rhombus-shaped faces
parallelepiped
[noun]
a three-dimensional figure with six parallelogram faces, where each face is parallel to the opposite face
hyperboloid
[noun]
a three-dimensional shape often seen in cooling towers, sculptures, or lampshades, known for its curved design
platonic solid
[noun]
a 3D shape with identical, regular polygon faces and the same number of faces meeting at each corner
star polyhedron
[noun]
a three-dimensional geometric shape composed of multiple intersecting polygons that form a star-like structure
Kepler-Poinsot polyhedron
[noun]
a type of regular polyhedron in geometry, which is formed by extending the faces of a regular convex polyhedron to create new faces or facets
Szilassi polyhedron
[noun]
a non-convex polyhedron in geometry that has an unusual property of having no faces that are triangles, despite being composed of triangular faces
Csaszar polyhedron
[noun]
a three-dimensional shape made up of 14 faces, 21 vertices, and 36 edges, with a symmetrical arrangement of polygons
uniform polyhedron
[noun]
a convex polyhedron in geometry that has regular polygons as its faces and is vertex-transitive
Archimedean solid
[noun]
a semi-regular convex polyhedron in geometry that has a combination of regular polygons as its faces, with identical vertices and edges, and is vertex-transitive
snub dodecahedron
[noun]
a non-convex Archimedean solid with icosahedral symmetry, consisting of 80 equilateral triangles and 12 regular pentagons
pyramid
[noun]
a solid object with a square base and four triangular sides joined to a point on the top
triangular-based pyramid
[noun]
a three-dimensional geometric shape with a triangular base and triangular faces that meet at a common vertex or apex point
square pyramid
[noun]
a three-dimensional geometric shape with a square base and four triangular faces that meet at a common vertex or apex point
pentagonal pyramid
[noun]
a three-dimensional geometric shape with a pentagonal base and five triangular faces that meet at a common vertex or apex point
stellated dodecahedron
[noun]
a three-dimensional geometric shape formed by extending the faces of a regular dodecahedron to create additional triangular faces or spikes
hexagonal pyramid
[noun]
a three-dimensional geometric shape with a hexagonal base and triangular faces that meet at a common vertex
heptagonal pyramid
[noun]
a three-dimensional geometric shape with a heptagonal base and triangular faces that meet at a common vertex
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