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  1. Diameter - Wikipedia

    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 …

  2. Diameter of a Circle - Definition, Examples | Diameter Formula

    Diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circumference of a circle. Learn how to find the diameter of a circle …

  3. Diameter of a circle definition and calculator- Math Open Reference

    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.

  4. DIAMETER Definition & Meaning - Merriam-Webster

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

  5. Circle Formulas For Diameter, Area and Circumference

    Jul 23, 2025 · Circle formulas are basic formulas used in geometry to solve various problems of circles and are used in solving various mathematical and other problems. Before moving with …

  6. Diameter - Math.net

    The diameter of a circle is a line segment that passes through the center of the circle and has endpoints on the circle. Line segment AB above is a diameter for circle O since endpoints A …

  7. Diameter Definition (Illustrated Mathematics Dictionary)

    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...

  8. Diameter in Maths: Definition, Formula, Differences & Examples

    Learn about diameter in Maths—definition, formulas, and solved examples. Quickly find diameter from radius, area, or circumference for exams and real-life use.

  9. DIAMETER definition and meaning | Collins English Dictionary

    In terms of diameter – the width of the moon – it will be about 14% wider than the smallest full moons. The number defines the ratio of the circumference of a circle to its diameter. The six …

  10. Diameter Symbol (⌀)

    The Standard Diameter Symbol The standard diameter symbol consists of a perfect circle with a 45° line that extends outside the circle. This is the officially recognized symbol for indicating …