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Definitions

diameter

[dahy-am-i-ter] / daɪˈæm ɪ tər /
NOUN
measurement across object
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The dragging of ship anchors, a main way cables get taken out, can damage even armored cables, which are wrapped in steel wire but still roughly the diameter of a ping-pong ball.

From The Wall Street Journal • Apr. 9, 2026

With a steady hand, she manoeuvred a huge wind turbine section, five metres in diameter, across the yard.

From Barron's • Mar. 7, 2026

This layer leaves only a circular opening with a diameter of 200 nanometers at the center.

From Science Daily • Mar. 4, 2026

The device measures approximately 10 cm in diameter and 30 cm long and has a red anodised finish.

From BBC • Feb. 6, 2026

They’re huge, four to five feet in diameter, two to four feet deep.

From "Paradise on Fire" by Jewell Parker Rhodes




Vocabulary lists containing diameter