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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

They are considered harmless to humans and are predominantly found sitting in large webs often more than a metre in diameter.

From BBC • Feb. 10, 2026

By analyzing its length and diameter, the researchers assessed whether the bones could withstand the forces produced during hopping.

From Science Daily • Jan. 23, 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

As always, what appears to be only a yard in diameter is dozens of yards across once we climb inside.

From "Challenger Deep" by Neal Shusterman