- plural of radius.
radii
Americannoun
noun
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.
One possibility is the Milky Way's central bar, whose gravity may cause gas to accumulate at certain radii.
From Science Daily ● Apr. 29, 2026
Overall, both mechanisms produce a lack of planets with sizes around two Earth radii.
From Science Daily ● Feb. 9, 2024
For comparison, the main part of Saturn's rings sits at just three planetary radii from the gas giant.
From Scientific American ● Feb. 11, 2023
In simulations, the researchers included an object about the size of Iapetus, Saturn’s third largest moon, orbiting about 43 Saturn radii out—between the orbits of Titan and Iapetus.
From Science Magazine ● Sep. 14, 2022
I pulled out my graph paper and my French curves, which would help me draw curves of different radii.
From "Reaching for the Moon" by Katherine Johnson
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Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
