diameter

noun
UK: /daɪˈæm.ɪ.tər/
US: /daɪˈæm.ɪ.t̬ɚ/

  1. A straight line passing from side to side through the center of a circle or sphere.

    1. The diameter of this circle is 10 cm.
    2. We measured the diameter of the pipe to ensure it would fit correctly.

  2. The distance from one side to the other of a round or spherical object, going through the center.

    1. The tree's diameter was quite impressive.
    2. The telescope has a lens with a diameter of 20 centimeters for better viewing.

Synonyms

bore width caliber

Frequently Asked Questions

The word "diameter" in English means: A straight line passing from side to side through the center of a circle or sphere., The distance from one side to the other of a round or spherical object, going through the center..

The phonetic transcription of "diameter" is /daɪˈæm.ɪ.tər/ in British English and /daɪˈæm.ɪ.t̬ɚ/ in American English. Click the 🔊 button to hear both pronunciations.

Synonyms for "diameter": bore, width, caliber.

Example usage of "diameter": "The diameter of this circle is 10 cm.". More examples on the page.