diameter

noun

Definition of diameternext
as in radius

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of diameter Relative to its diameter, the subsidence depth was comparable to that of famous calderas like Newberry in the United States. — Yook Ji Hun, ArsTechnica, 23 Sep. 2026 The juicy slab of brisket was roughly double the diameter of the plush biscuit, and the flavors mingled well. — Evan Moore, Charlotte Observer, 22 Sep. 2026 The work will draw on Youngquist’s experience with large-diameter drilling and Deep Fission’s reactor deployment design. — Neetika Walter, Interesting Engineering, 21 Sep. 2026 Scientists from the German Aerospace Center’s Institute of Space Research reported last week that Mercury’s shrinkage may be 30% greater than previously believed — a loss in diameter of as much as 14 miles. — Marcia Dunn, Los Angeles Times, 13 Sep. 2026 See All Example Sentences for diameter
Recent Examples of Synonyms for diameter
radius
Noun
  • Unlike typical neighborhood supermarkets that draw from a 2-to-3-mile radius, Wegmans stores regularly pull customers from an 8-to-10-mile area, Meisel said.
    — Charlotte Observer, Charlotte Observer, 3 Oct. 2026
  • Within a 25-mile radius, there are three UNESCO World Heritage sites.
    — Lilit Marcus, CNN Money, 1 Oct. 2026
Definition of radius

Browse Nearby Words

dials
diameter
diameters
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Cite this Entry

“Diameter.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/diameter. Accessed 9 Oct. 2026.

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