- 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
After all, the observations employed to measure planetary radii cannot differentiate whether the determined size is due to the solid part of the planet alone or an additional dense atmosphere.
From Science Daily ● Feb. 9, 2024
In fact, the proton’s “weak charge” radius, so to speak, and its electric charge radius do agree with each other within their uncertainty ranges, and it’s not particularly surprising that the radii are similar.
From Scientific American ● Mar. 16, 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
It was all a question of the angle and radii at which the DNA strands twisted about the central axis.
From "Double Helix" by James D. Watson
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
