Diameter (Noun)
Meaning 1
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).
Classification
Nouns denoting two and three dimensional shapes.
Examples
- The diameter of the coin was 25 millimeters, which made it larger than most coins in circulation.
- The surveyor used a rope to measure the diameter of the tree trunk before calculating its volume.
- To find the area of the circle, we need to know its diameter, which can be calculated by multiplying the radius by two.
- The Earth's diameter is approximately 12,742 kilometers, making it one of the largest rocky planets in the solar system.
- The telescope's primary mirror had a diameter of 2.4 meters, allowing it to collect and focus a large amount of light from distant stars.
Related Words
Meaning 2
The length of a straight line passing through the center of a circle and connecting two points on the circumference.
Classification
Nouns denoting attributes of people and objects.
Examples
- The diameter of the Earth is approximately 12,742 kilometers.
- The architect specified a diameter of 50 centimeters for the windows in the new building.
- A coin's diameter affects its portability and aesthetic appeal.
- The engineers carefully measured the diameter of the pipe to ensure it fit the available couplings.
- Astronomers can determine the distance of a planet using its angular diameter and angular distance from Earth.