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diameter
diameter
/daɪˈæmətɝ/
noun
(
)
The length of a straight line passing through the center of a circle and connecting two points on the circumference
(
diam
,
diameter
)
the length of a straight line passing through the center of a circle and connecting two points on the circumference
The diameter of the circle was 12cm
The diameter of the circle was 12cm
(
)
A straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
(
diameter
)
a straight line connecting the center of a circle with two points on its perimeter (or the center of a sphere with two points on its surface)
The astronomer measured the diameter of the planet, determining its size.
The astronomer measured the diameter of the planet, determining its size.
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