# Diameter - definition, pronunciation, transcription

*Amer.*|daɪˈæmɪtər|

*Brit.*|dʌɪˈamɪtə|

#### noun

- the length of a straight line passing through the center of a circle and connecting two points on the circumference

- a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)

*(syn: diam)*- a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)

### Examples

The dotted line indicates the diameter of the circle.

What is the diameter of the tree trunk?

Dig a hole that's two feet deep and three feet in diameter.

The balls should not be more than one-twentieth of an inch in diameter.

Draw a circle 10cm in diameter.

they will cut round stock to 1-inch diameter

### Word forms

*noun*

singular: diameter

plural: diameters