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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.

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

From Barron's • Mar. 7, 2026

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

From BBC • Feb. 6, 2026

Some early models of the satellite dishes measured 16 feet in diameter, and hundreds of thousands of them sprouted up across the country.

From The Wall Street Journal • Jan. 22, 2026

Together, these gas flows stretch across a distance greater than 100 times the planet's diameter, or more than three times the distance between the planet and its star.

From Science Daily • Jan. 20, 2026

Its self-winding clock told the time in days, hours, minutes, and seconds, from a face seven feet in diameter.

From "The Devil in the White City" by Erik Larson




Vocabulary lists containing diameter