: a unit of plane angular measurement that is equal to the angle at the center of a circle subtended by an arc whose length equals the radius or approximately 57.3 degrees
Examples of radian in a Sentence
Recent Examples on the Web
At the 2024 Six Nations Championship, on-field doctors were flagged when a player’s mouthguard registered an acceleration above 70 g’s and 4,500 radians per second squared (rad/s2).
—
Jeffrey Tomik, Washington Post, 2 Apr. 2024
So angular velocity measures the angle that the ball covers (in radians per second).
—Rhett Allain, WIRED, 2 Feb. 2024
This puts the angular velocity at 93.65 radians per second.
—Adam Rogers, WIRED, 10 July 2019
These units are called radians (apologies if this term provokes a violent and sickening flashback to high school math), and there are 2π of them in a circle.
—Brian Resnick, Vox, 13 Mar. 2019
Three quarters around the same circle has gone one and a half pi radians.
—Randyn Charles Bartholomew, Scientific American, 25 June 2014
According to People, the elongated radian cut ring is 4 carats, and was personally designed by Zandy along with Leor Yerushalmi and The Jewelers of Las Vegas.
—De Elizabeth, Teen Vogue, 29 Apr. 2018
For example, pi can be measured according to radians, the standard unit for angular measurements.
—Jay Bennett, Popular Mechanics, 14 Mar. 2018
Radian was required to set aside reserves against potential losses on bad loans, and Mr. Lutz reckoned that his employer was materially understating those amounts.
—Gretchen Morgenson, New York Times, 28 Apr. 2017
Jeffrey Tomik, Washington Post, 2 Apr. 2024
So angular velocity measures the angle that the ball covers (in radians per second).
—Rhett Allain, WIRED, 2 Feb. 2024
This puts the angular velocity at 93.65 radians per second.
—Adam Rogers, WIRED, 10 July 2019
These units are called radians (apologies if this term provokes a violent and sickening flashback to high school math), and there are 2π of them in a circle.
—Brian Resnick, Vox, 13 Mar. 2019
Three quarters around the same circle has gone one and a half pi radians.
—Randyn Charles Bartholomew, Scientific American, 25 June 2014
According to People, the elongated radian cut ring is 4 carats, and was personally designed by Zandy along with Leor Yerushalmi and The Jewelers of Las Vegas.
—De Elizabeth, Teen Vogue, 29 Apr. 2018
For example, pi can be measured according to radians, the standard unit for angular measurements.
—Jay Bennett, Popular Mechanics, 14 Mar. 2018
Radian was required to set aside reserves against potential losses on bad loans, and Mr. Lutz reckoned that his employer was materially understating those amounts.
—Gretchen Morgenson, New York Times, 28 Apr. 2017
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'radian.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
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Cite this Entry
“Radian.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radian. Accessed 18 Apr. 2024.
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