Reyn 2168763 200590527 2008-03-24T18:07:20Z 153.90.199.170 The in in the denominator is an area term and must be squared. {{otheruses|Reyn (disambiguation)}} British gravitational unit of viscosity. One Reyn is: :1 Reyn = 1 lb<sub>f</sub>·sec·inches<sup>-2</sup> Relation between Reyn and centi[[poise]] is approximately: :1 Reyn = 6.89476 &times; 10 <sup>6</sup> centipoise ==External links== [http://www.sizes.com/units/reyn.htmc Reyn] History of the unit {{Standard-stub}}