Diameter

/daɪˈæmətər/

Meaning & Definition

noun

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

The diameter of the circular table is five feet.

The length of such a line.

To calculate the area of the circle, we first need to measure its diameter.

A measurement of a circular object across its center.

The tire's diameter is essential for ensuring it fits properly on the vehicle.

In a more general sense, it can refer to the width or breadth of any object.

The diameter of the metal pipe was larger than I expected.

From Greek 'diametros', meaning 'a measure across'.

the diameter of a circle

The longest distance between any two points on the circle.

diameter measurement

The process of determining the diameter of an object.

cutting through the diameter

To bisect or divide into two equal parts.

circumference

The distance around the circle.

radius

The distance from the center of the circle to any point on its circumference.

circle

A round plane figure whose boundary consists of points equidistant from a fixed center.

Big enough to handle anything.

This project has a diameter of ambition!

Referring to a large or significant impact.

That idea has a diameter that could change everything.