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- DictionaryDi·am·e·ter/dīˈamədər/
noun
- 1. a straight line passing from side to side through the center of a body or figure, especially a circle or sphere.
- 2. a unit of linear measurement of magnifying power.
The meaning of DIAMETER is a chord passing through the center of a figure or body. How to use diameter in a sentence.
Diameter definition: a straight line passing through the center of a circle or sphere and meeting the circumference or surface at each end.. See examples of DIAMETER used in a sentence.
DIAMETER definition: 1. (the length of) a straight line that reaches from one point on the edge of a round shape or…. Learn more.
DIAMETER meaning: 1. (the length of) a straight line that reaches from one point on the edge of a round shape or…. Learn more.
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 circle.
Illustrated definition of Diameter: The distance from one point on a circle through the center to another point on the circle. It is also...
noun. 1. a. a straight line connecting the centre of a geometric figure, esp a circle or sphere, with two points on the perimeter or surface. b. the length of such a line. 2. the thickness of something, esp with circular cross section. Collins English Dictionary.
The diameter of a circle or sphere is a line that passes through the center and starts and ends and two opposite points on its perimeter or edge. The diameter is also the length of that line. In math class, teachers often ask you to use the diameter of a circle to find its area.
diameter. noun. /daɪˈæmɪtə (r)/ /daɪˈæmɪtər/ a straight line going from one side of a circle or any other round object to the other side, passing through the centre. The diameter of the tree trunk was more than a metre. in diameter The dome is 42.3 metres in diameter. compare radius. Extra Examples.
Diameter. 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 and B lie on the circle and line segment AB passes through center O. A circle contains infinitely many diameters.
