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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.

"It weighs 8.2kg, measures nearly 30cm in diameter and stands about 46cm tall - almost four times the size of a typical astrolabe from 17th Century India," said Carter.

From BBC • Apr. 25, 2026

“I think it was a 10-foot diameter ... everything kind of flowed back from that.”

From Los Angeles Times • Apr. 10, 2026

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

Using Avogadro’s mathematics, chemists were eventually able to work out, for instance, that a typical atom had a diameter of 0.00000008 centimeters, which is very little indeed.

From "A Short History of Nearly Everything" by Bill Bryson




Vocabulary lists containing diameter


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