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diameter

Meaning in simple English, pronunciation and examples

Pronunciation: US /daɪˈæmətɚ/ · UK /daɪˈæmɪtə/

diameter means: The distance across a circle or round object, measured through its center.

noun

WIDTH THROUGH CENTERB1

The distance across a circle or round object, measured through its center.

  • What is the diameter of this plate?
  • The wheel measures fifty centimeters in diameter.
  • We need pipes with a larger diameter.

How to use it: a diameter of + measurement (The pipe has a diameter of ten centimeters.); measurement + in diameter (The plate is thirty centimeters in diameter.)

Common phrases: in diameter, small diameter, outside diameter

LINE THROUGH CENTERB1

A straight line across a circle, passing through its center and joining opposite edges.

  • Draw a diameter across the circle.
  • Every diameter passes through the center.
  • Two diameters divide the circle into four parts.

How to use it: diameter of something (Draw a diameter of the circle through point A.)

Common phrases: draw a diameter, diameter of something

Questions about diameter

What does diameter mean?

The distance across a circle or round object, measured through its center.

What is diameter in other languages?

Türkçe: çap · Español: diámetro · Français: diamètre · Deutsch: Durchmesser · Italiano: diametro · 日本語: 直径

How do you pronounce diameter?

In American English /daɪˈæmətɚ/; in British English /daɪˈæmɪtə/.

How do you use diameter in a sentence?

What is the diameter of this plate? The wheel measures fifty centimeters in diameter.

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