Three-Dimensional Shapes

firm and stable in form, not like a gas or liquid

The ice had formed into a solid block after being left in the freezer overnight.

a three-dimensional figure made of six square or rectangular faces

The dice used in board games are typically shaped like cubes.

a three-dimensional geometric shape with six rectangular faces, resembling a box or a rectangular prism

(geometry) a round 3D shape like a ball that is slightly flattened at the top and bottom points

The Earth is not quite a sphere but is better described as an oblate spheroid flattened at the poles.

(in geometry) a three-dimensional surface where all points are equidistant from a center

In art class, they learned to sculpt a sphere from clay.

(geometry) a three dimensional shape with a circular base that rises to a single point

The traffic cones were placed along the road to redirect vehicles during the construction work.

(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides

The glass on the table was in the shape of a tall, slender cylinder.

a three-dimensional shape similar to a stretched or compressed sphere

The Earth is often approximated as an oblate ellipsoid due to its slightly flattened shape at the poles.

either half of a sphere

The sports arena's roof was designed in the shape of a hemisphere.

a solid shape made of flat sides that fit together along their edges

The cube is a well-known example of a polyhedron, with six square faces.

(geometry) a solid figure formed by three flat faces that intersect in a point

(geometry) a polyhedron with four flat sides, a triangular pyramid

(geometry) a solid figure with five flat faces

The student constructed a pentahedron for her geometry project using cardboard and tape.

(geometry) a solid figure with six flat faces

a polyhedron with seven faces or sides

a geometric figure with eight triangular faces, twelve edges, and six vertices

The faces of an octahedron are all equilateral triangles, and each vertex is the meeting point of four triangles.

a shape with nine flat sides that connect along their edges

The nonahedron has nine faces, eighteen edges, and twelve vertices.

(geometry) a solid shape with ten flat faces

a three-dimensional figure with twelve regular pentagonal faces, thirty edges, and twenty vertices

The dodecahedron is a Platonic solid, meaning it has identical faces, edges, and angles.

a three-dimensional figure with twenty equilateral triangle faces, thirty edges, and twelve vertices

The icosahedron is a Platonic solid, exhibiting symmetry and regularity in its faces, edges, and angles.

a three-dimensional shape that wraps around a torus or doughnut-like surface

(geometry) a solid figure with flat sides and two parallel ends of the same size and shape

a three-dimensional shape that has a pair of parallel bases connected by rectangular faces, with the bases not being perpendicular to the sides

a three-dimensional shape that has a pair of parallel bases connected by rectangular faces, with the bases being perpendicular to the sides

a three-dimensional shape that has two identical bases, and all sides are the same shape and size

a three-dimensional shape with two triangular bases connected by three rectangular faces

The tent resembled a triangular prism with its sloping sides.

a type of uniform prism that has square bases and rectangular faces that connect the bases

a type of uniform prism that has pentagonal bases and rectangular faces that connect the bases

a type of uniform prism that has hexagonal bases and rectangular faces that connect the bases

a three-dimensional geometric figure with six identical rhombus-shaped faces

A diamond is a natural example of a rhombohedron.

a three-dimensional figure with six parallelogram faces, where each face is parallel to the opposite face

Some bricks are shaped like parallelepipeds, facilitating sturdy construction.

a three-dimensional shape often seen in cooling towers, sculptures, or lampshades, known for its curved design

Some fancy lamps have shades shaped like a hyperboloid.

a 3D shape with identical, regular polygon faces and the same number of faces meeting at each corner

The cube, a platonic solid, has six equal square faces, symbolizing stability.

a three-dimensional geometric shape composed of multiple intersecting polygons that form a star-like structure

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

a non-convex polyhedron in geometry that has an unusual property of having no faces that are triangles, despite being composed of triangular faces

a three-dimensional shape made up of 14 faces, 21 vertices, and 36 edges, with a symmetrical arrangement of polygons

a convex polyhedron in geometry that has regular polygons as its faces and is vertex-transitive

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

a non-convex Archimedean solid with icosahedral symmetry, consisting of 80 equilateral triangles and 12 regular pentagons

a stone monument built in ancient Egypt usually as a tomb for the pharaohs, which has a triangular or square base that slopes up to the top

Tourists flock to see the ancient pyramids in Egypt.

a three-dimensional geometric shape with a triangular base and triangular faces that meet at a common vertex or apex point

a three-dimensional geometric shape with a square base and four triangular faces that meet at a common vertex or apex point

a three-dimensional geometric shape with a pentagonal base and five triangular faces that meet at a common vertex or apex point

a three-dimensional geometric shape formed by extending the faces of a regular dodecahedron to create additional triangular faces or spikes

a solid shape resembling a donut or ring, made by spinning a circle around a line that does not cut through the circle

The handle of a coffee mug is shaped like a torus, providing a comfortable grip.

a three-dimensional geometric shape with a hexagonal base and triangular faces that meet at a common vertex

a three-dimensional geometric shape with a heptagonal base and triangular faces that meet at a common vertex

a geometric shape consisting of an octagonal base and triangular faces that converge to a single point or vertex at the top