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- Dictionarydiameter/dʌɪˈamɪtə/
noun
- 1. a straight line passing from side to side through the centre of a body or figure, especially a circle or sphere.
- 2. a unit of linear measurement of magnifying power.
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The diameter is the distance from one point on the surface of a circle to the other point on the surface of the circle through the centre. Visit BYJU’S to learn the different formulas, properties and examples.
(the length of) a straight line that reaches from one point on the edge of a round shape or object, through its centre, to a point on the opposite edge: The diameter measures twice the radius. in diameter The pond is six feet in diameter. SMART Vocabulary: related words and phrases. Geometry: parts of geometrical shapes. -sided. angle. axisymmetric
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. Both definitions are also valid for the diameter of a sphere.
noun [ C or U ] us / daɪˈæm.ə.t̬ɚ / uk / daɪˈæm.ɪ.tə r/. Add to word list. (the length of) a straight line that reaches from one point on the edge of a round shape or object, through its center, to a point on the opposite edge: The diameter measures twice the radius. in diameter The pond is six feet in diameter.
How to use diameter in a sentence. a chord passing through the center of a figure or body; the length of a straight line through the center of an object or space… See the full definition
noun. a straight line connecting the centre of a geometric figure, esp a circle or sphere, with two points on the perimeter or surface. the length of such a line. the thickness of something, esp with circular cross section.
The diameter of a circle or sphere is the length of a straight line through the middle of it.
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.
DIAMETER definition: a straight line that goes from one side of a circle to the other side and through the centre, or…. Learn more.
The 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 the circle. The diameter is also known as the longest chord of the circle. Diameter of a Circle Definition. The diameter is defined as twice the length of the radius of a circle.
