diameters

noun

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 length of a straight line passing through the center of a circle and connecting two points on the circumference

Roots

diadia- · Greek · across, through metron-meter · Greek · measure

Synonyms & related words for diameters

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Words related to diameters

Explore words related to diameters — words associated with it, words that go with it, and its nearest matches in meaning. Related words include semidiameter, dendrometer, circumference, diametral, widths, radii, millimeters, thickness. Click any word to make it the center of the map and keep exploring the web of connections.

Where does diameters come from?

The word diameters breaks down into 2 roots of Greek origin: dia-, from Greek dia (“across, through”); and -meter, from Greek metron (“measure”). Explore each root to see other English words built from the same source.