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diameter

[dʌɪˈæmɪtər]

diameter Definition

a straight line passing from side to side through the center of a body or figure, especially a circle or sphere..

Using diameter: Examples

Take a moment to familiarize yourself with how "diameter" can be used in various situations through the following examples!

  • Example

    The diameter of the circle is 10 cm.

  • Example

    The diameter of the Earth is about 12,742 kilometers.

  • Example

    The diameter of the pipe is too small for the water to flow smoothly.

diameter Synonyms and Antonyms

Synonyms for diameter

Phrases with diameter

  • a measuring tape used to measure the diameter of trees

    Example

    The forester used a diameter tape to measure the tree's diameter.

  • the diameter of a tree trunk measured at a height of 1.3 meters above the ground

    Example

    The DBH of the oak tree was 50 centimeters.

  • a very small measurement, often used figuratively

    Example

    The difference between the two products is only the diameter of a hair.

Origins of diameter

from Greek 'diametros', meaning 'measuring across'

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Summary: diameter in Brief

The term 'diameter' [dʌɪˈæmɪtər] refers to a straight line passing from side to side through the center of a body or figure, especially a circle or sphere. It is often used to describe the width or breadth of an object, such as in 'The diameter of the circle is 10 cm.' Other phrases include 'diameter tape,' which measures the diameter of trees, and 'diameter breast height,' which measures the diameter of a tree trunk at a height of 1.3 meters above the ground.