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ra·di·an (rad),

A supplementary SI unit of plane angle.
[L. radius, ray]


(rad) (rā'dē-ăn)
A supplementary SI unit of plane angle.
[L. radius, ray]


1. A unit of angular measurement equivalent to 57.295 degrees. It is subtended at the center of a circle by an arc the length of the radius of the circle.
2. In ophthalmometry, a lens of 1 radian would have one plane surface equal in length to the radius of curvature of the curved surface.
References in periodicals archive ?
But yesterday, Moody's said it is downgrading parent company Radian Group's senior-debt rating to Caa2 from Caa1, reflecting "the holding company's constrained liquidity, the ongoing stress at its mortgage-insurance subsidiaries, and its upcoming debt maturities.
Because there is no single solution that will help every borrower, Radian is advancing funds to servicers so they can take the specific action required to keep borrowers in their homes rather than proceeding with a stressful and costly foreclosure process.
According to Bruschi, Radian's strategy relies first and foremost on an in-depth understanding of the credit union and community bank industries, which Radian has gained over many years of serving those industries.
The introduction of our new 'PowerPak' makes it clear that Radian is committed to being the MI provider of choice for our lending partners - one dedicated to making MI more easily fit into their lending processes, while giving our partners programs and pricing to help them compete and generate volume in this still challenging market," said Brien McMahon, chief franchise officer at Radian.
An archive of Radian Credit Union eBulletins, which are used to announce rate and guideline changes
Beidler joined Radian Asset in 1992 as Vice President and Deputy General Counsel.
On behalf of everyone at Radian, we thank Dave for helping to position our mortgage insurance business to deliver long term profitability.
PHILADELPHIA, May 7 /PRNewswire-FirstCall/ -- Radian Group Inc.
NEW YORK -- Fitch Ratings has affirmed the 'AA-' insurer financial strength (IFS) ratings of Radian Guaranty Inc.
PHILADELPHIA, May 1 /PRNewswire-FirstCall/ -- Radian Group Inc.
PHILADELPHIA, March 7 /PRNewswire-FirstCall/ -- Radian Group Inc.