solid figure
Definition
- Noun:
- A three-dimensional shape: A "solid figure" is a geometric object that has three dimensions—length, width, and height (or depth). It occupies space and has volume, unlike two-dimensional shapes which are flat.
Usage Examples
- Noun:
- In geometry class, we learned to calculate the volume of various solid figures like cubes and spheres.
- The sculpture was composed of several interlocking solid figures.
- Architects often use models made of solid figures to represent buildings.
Advanced Usage
"Regular solid figure": A polyhedron where all faces are congruent regular polygons and the same number of faces meet at each vertex (e.g., a Platonic solid).
- The five Platonic solids—tetrahedron, cube, octahedron, dodecahedron, and icosahedron—are all regular solid figures.
"Composite solid figure": A three-dimensional shape formed by combining two or more simple solid figures.
- To find the total volume, we broke the complex structure down into its constituent composite solid figures.
Variants and Related Words
- Solid (n): Often used interchangeably with "solid figure" in a geometric context.
- The children built models of geometric solids.
- Three-dimensional shape (n): A direct synonym phrase.
- Polyhedron (n): A specific type of solid figure with flat polygonal faces, straight edges, and sharp corners or vertices.
- Geometric solid (n): Another common term for a solid figure.
Synonyms
- Three-dimensional object
- Spatial figure
- Volume
- Form (in an artistic or design context)
Related Phrases
- Net of a solid figure: A two-dimensional pattern that can be folded to form the three-dimensional solid.
- We drew the net of a cube to understand how its faces connect.
- Cross-section of a solid figure: The shape obtained by cutting through a solid with a plane.
- A horizontal cross-section of a cone is a circle.
Noun
-
a three-dimensional shape
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