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Definitions

radii

[rey-dee-ahy] / ˈreɪ diˌaɪ /


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

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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