spherical

/'sferikəl/
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spherical

The child holds a spherical red balloon.

Definition
  1. Adjective:
    • Having the shape of a sphere or ball: Describes an object that is perfectly round in three dimensions, like a ball.
    • Relating to or resembling a sphere: Pertaining to the properties, geometry, or shape of a sphere.
Usage Examples
  • Adjective:
    • The Earth is not a perfectly spherical body; it is slightly flattened at the poles.
    • A soap bubble often forms a beautiful, fragile spherical shape.
    • The ancient Greeks studied spherical geometry to understand the stars.
Advanced Usage
  • "Spherical aberration": An optical effect where light rays passing through a lens or reflecting from a mirror do not converge at a single point, causing a blurred image.

    • High-quality telescopes are designed to minimize spherical aberration.
  • "Spherical coordinate system": A coordinate system for three-dimensional space where the position of a point is specified by its distance from a fixed origin and two angles.

    • In physics, some problems are easier to solve using a spherical coordinate system.
Variants and Related Words
  • Spherically (adverb): In a spherical manner or form.

    • The liquid formed spherically due to surface tension.
  • Sphericity (noun): The quality or state of being spherical; roundness.

    • The sphericity of the planetoid was confirmed by radar measurements.
  • Sphere (noun): A perfectly round three-dimensional geometric object.

    • A basketball is an example of a sphere.
  • Subspherical (adjective): Approximately spherical; nearly round.

    • The pebbles on the beach were worn into subspherical shapes.
Synonyms
  • Globular: Having the shape of a globe or sphere.
  • Orbicular: Circular or spherical in shape.
  • Round: Shaped like a circle or sphere.
Antonyms
  • Angular: Having sharp angles or corners.
  • Flat: Having a level surface; not curved or spherical.
  • Cubic: Having the shape of a cube.
Related Phrases and Technical Terms
  • Spherical angle: An angle formed on the surface of a sphere by the intersection of two great circles.

    • In astronomy, the angular distance between two stars can be considered a spherical angle.
  • Spherical triangle: A triangle formed on the surface of a sphere by arcs of three great circles.

    • Navigators once used formulas for spherical triangles to plot courses across oceans.
spherical

The child holds a spherical red balloon.

Adjective
  1. having the shape of a sphere or ball
    • a spherical object
    • nearly orbicular in shape
    • little globular houses like mud-wasp nests- Zane Grey
  2. of or relating to spheres or resembling a sphere
    • spherical geometry