online vocabulary.com

Octagonal - Meaning, Definition & English Examples

Octagonal describes something with eight sides and eight angles, like a stop sign. It is commonly used in geometry and design to refer to shapes or structures with this form.

octagonal

/ɑkˈtæɡənəl/ /ɒkˈtæɡənəl/

Definition:

Having eight sides and eight angles.

Synonyms:

eight-sided, octangular, polygonal

Part of Speech:

adjective

Antonyms:

circular, round

Common Collocations:

octagonal shape, octagonal table, octagonal building

Derivatives:

octagonally, octagon

Usage Tips:

Use "octagonal" to describe objects with eight straight sides, like stop signs or certain tables.

Common Phrases:

octagonal prism, octagonal mirror, octagonal design

Etymology:

From Latin "octo" (eight) + Greek "gonia" (angle), meaning eight-angled.

Examples:

  • 1. The stop sign is octagonal in shape.
  • 2. She bought an octagonal mirror for her living room.
  • 3. The garden features an octagonal gazebo at its center.
  • 4. An octagonal prism has two identical eight-sided bases.

MORE VOCABULARY LISTS