What context can I use each word in?
Learn when and how to use these words with these examples!
diameter
Example
The diameter of the circle is 10 centimeters. [diameter: noun]
Example
To find the diameter of a circle, divide the circumference by pi. [diameter: noun]
dimension
Example
The dimensions of the box are 5 inches by 3 inches by 2 inches. [dimensions: noun]
Example
The fourth dimension in physics is often described as time. [dimension: noun]
Good things to know
Which word is more common?
Dimension is a more commonly used word than diameter in everyday language, as it has broader applications and can be used to describe objects of any shape or size. Diameter is a more specialized term used primarily in geometry and physical sciences.
What’s the difference in the tone of formality between diameter and dimension?
Diameter is a more formal term than dimension, as it is primarily used in technical and scientific contexts. Dimension is a more versatile term that can be used in both formal and informal contexts.
