Definition

1. Adjective:

   • Arranged like rays or radii; radiating from a common center: Describes a pattern where lines or parts extend outward from a central point, similar to the spokes of a wheel or rays of light.
   • Issuing in rays from a common center; relating to rays of light: Pertaining to something that emits or is structured in rays.
   • Relating to or moving along or having the direction of a radius: Connected to the straight line from the center to the circumference of a circle or sphere.
   • Relating to or near the radius: In anatomy, pertaining to the radius bone in the forearm.

2. Noun:

   • Pneumatic tire that has radial-ply casing: A type of tire where the layers of fabric (plies) are arranged perpendicularly to the direction of travel, radiating from the center of the wheel.

Usage Examples

• Adjective:

  • The city's main highways form a radial pattern around the central business district.
  • A starfish exhibits radial symmetry.
  • The mechanic checked the radial velocity of the rotating part.
  • The patient had pain in the radial nerve.

• Noun:

  • Most modern cars are equipped with radials for better fuel efficiency and grip.

Advanced Usage

• "Radial symmetry": A biological term describing an organism that can be divided into similar halves by multiple planes passing through a central axis, like a sea anemone.
• "Radial engine": A type of internal combustion engine configuration where the cylinders are arranged in a circle around the crankshaft.
• "Radial artery": A major artery in the forearm, often used to measure pulse.

Variants and Related Words

• Radially (adverb): In a radial manner; extending from a center.
  • The cracks spread radially from the point of impact.
• Radial-ply (adjective): Describing the construction of a tire with cords laid radially.
  • A radial-ply tire is more flexible than a bias-ply tire.

Synonyms

• Radiating: Emitting or spreading out from a center.
• Spoked: Resembling or having spokes (often used for wheel-like structures).
• Stellate: Star-shaped; having parts arranged like rays.

Related Phrases

• "Radial distance": The distance from a central point.
• "Radial growth": Growth that expands outward from a center, such as in trees (increasing trunk diameter).

Idioms

(No common idioms are centrally built around the word "radial".)

Adjective

1. arranged like rays or radii; radiating from a common center
   • radial symmetry
   • a starlike or stellate arrangement of petals
   • many cities show a radial pattern of main highways
2. issuing in rays from a common center; relating to rays of light
   • radial heat
3. relating to or moving along or having the direction of a radius
   • radial velocity
4. relating to or near the radius
   • the radial aspect of the forearm

Noun

1. pneumatic tire that has radial-ply casing