# Definitions and Synonyms of *diameter* | Another word for *diameter* | What is *diameter? *

*Definition 1: the length of a straight line passing through the center of a circle and connecting two points on the circumference - [noun denoting attribute]*

*Synonyms for diameter in the sense of this definition*

*(**diameter* is a kind of ...) the linear extent in space from one end to the other; the longest dimension of something that is fixed in place

*diameter*is a kind of ...) the linear extent in space from one end to the other; the longest dimension of something that is fixed in place

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*"the length of the table was 5 feet"*### (... is a kind of *diameter* ) diameter of a tube or gun barrel

### (... is a kind of *diameter* ) the space between the projectile of a smoothbore gun and the surface of the bore of the gun

### (*diameter* is a part of ...) the length of a line segment between the center and circumference of a circle or sphere

*Definition 2: 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) - [noun denoting shape]*

*(**diameter* is a kind of ...) a line traced by a point traveling in a constant direction; a line of zero curvature

*diameter*is a kind of ...) a line traced by a point traveling in a constant direction; a line of zero curvature

*"the shortest distance between two points is a straight line"*

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