diameter
Definition
- n. the length of a straight line passing through the center of a circle and connecting two points on the circumference
- n. 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)
Word forms
- Plural
- diameters
Example sentences
n.
The diameter of the circle is ten centimeters.
n.
The doctor measured the diameter of the blood vessel to check for any abnormalities.