radian


Also found in: Thesaurus, Medical, Legal, Encyclopedia, Wikipedia.
click for a larger image
radian
When the length of an arc of a circle is equal to the radius of the circle, the angle subtended by that arc equals one radian.

ra·di·an

 (rā′dē-ən)
n. Abbr. rad
A unit of angular measure equal to the angle subtended at the center of a circle by an arc equal in length to the radius of the circle, approximately 57°17′44.6".

radian

(ˈreɪdɪən)
n
(Units) an SI unit of plane angle; the angle between two radii of a circle that cut off on the circumference an arc equal in length to the radius. 1 radian is equivalent to 57.296 degrees and π/2 radians equals a right angle. Symbol: rad
[C19: from radius]

ra•di•an

(ˈreɪ di ən)

n.
the measure of a central angle subtending an arc equal in length to the radius: equal to 57.2958°. Abbr.: rad
[1875–80]

ra·di·an

(rā′dē-ən)
A unit of angular measure equal to a little more than 57°. This is the measure of an angle whose vertex is the center of a circle and whose two rays intersect the circle so as to form an arc with the same length as the circle's radius.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.radian - the unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees)
angular unit - a unit of measurement for angles
milliradian - a unit of angular distance equal to one thousandth of a radian
Translations
радиан
radiaani
radian
radiano
radián
radian

radian

[ˈreɪdɪən] nradiante m
References in periodicals archive ?
The SPA allows for a full transfer of Radian Asset's $19.
M2 EQUITYBITES-December 24, 2014-Assured Guaranty signs USD810m cash acquisition agreement for Radian Asset
3 September 2013 -- US financial services firm Radian Group Inc's (NYSE: RDN) Philadelphia-based Radian Guaranty Inc mortgage insurance subsidiary said that it entered into a master transaction agreement with US mortgage funder Freddie Mac on August 29 2013.
May 1 (Reuters) - Radian Group Inc posted a second straight quarterly loss, hurt by the change in value of derivatives and other financial instruments, but the mortgage insurer said its risk ratios improved in the quarter.
Philadelphia-based Radian Guaranty announced that it has formed a partnership with Mount Arlington, New Jersey-based New York Loan Exchange (NYLX)--operator of a real-time database of mortgage programs, rates and guidelines--to incorporate Radian mortgage insurance (MI) directly into the mortgage pricing and eligibility process.
On behalf of the company, I want to thank Ron for his tireless dedication and wish him well in the future," said Herbert Wender, Chairman of Radian Group Inc.
M2 EQUITYBITES-December 23, 2014-Assured Guaranty to Acquire Radian Asset Assurance for USD 810m
5 April 2013 -- US insurer Radian Group Inc's (NYSE: RDN) Radian Guaranty Inc mortgage insurance subsidiary said that it has reached a settlement agreement with the US Consumer Financial Protection Bureau to resolve a previously disclosed federal investigation of the company's participation in captive reinsurance arrangements.
Moody's Investors Service gave a thumbs up to mortgage insurer Radian Guaranty's plan to enter into a quota-share-reinsurance agreement, but the ratings agency still downgraded Radian Group's senior-debt rating due to constrained liquidity.
Philadelphia-based Radian Guaranty--the primary mortgage insurance subsidiary of Radian Group Inc.
Prior to joining Radian, Rice was a training consultant for the sales organization at Wells Fargo Home Mortgage, although he spent the majority of his 20 year career working in both the retail and wholesale channels for well known lenders including Clearpoint Funding, Wells Fargo Home Mortgage and Caliber Funding, LLC.
17 January 2013 -- Philadelphia, USA-based mortgage insurance firm Radian Guaranty (NYSE: RDN) said it has launched its MI rate finder app, Radian Rates, for Android devices on Google Play (NASDAQ: GOOG).