In geometry, a diameter of a circle is any straight line segment that passes through the centre of the circle and whose endpoints lie on the circle. It can also be defined as the longest chord of …

The diameter of a circle is a line that passes through the center and meets the circumference at opposite ends. It is twice as long as the radius of the circle.

The meaning of DIAMETER is a chord passing through the center of a figure or body. How to use diameter in a sentence.

The diameter of a circle is the length of the line through the center and touching two points on its edge. In the figure above, drag the orange dots around and see that the diameter never changes.

Illustrated definition of Diameter: The distance from one point on a circle through the center to another point on the circle. It is also the...

Oct 22, 2025 · From clear definitions and real-life examples to FAQs and a quick quiz, explore everything you need to know about diameter in this guide.

If a chord contains the center, it is also a diameter of the circle. A diameter is longer than any chord that does not contain the center (i.e. is not a diameter).

This calculator computes the values of typical circle parameters such as radius, diameter, circumference, and area, using various common units of measurement.

DIAMETER meaning: 1 : a straight line from one side of something (such as a circle) to the other side that passes through the center point; 2 : the distance through the center of something …

Apr 15, 2025 · The diameter of a circle is the distance straight across the circle from one side to the other at its center. Depending on what other information you have about the circle, there …