Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Rad

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_9717

\rad\ n [radiation absorbed dose] (1918) (1) A deprecated, but still widely used, unit of energy absorbed by a material, including living matter, from exposure to ionizing radiation. 1 rad = 0.01 gray (Gy) = 0.01 J/kg. The abbreviation for the SI unit of plane angular measure, the radian, the angle intercepting a circular arc of length equal to its radius (= 360o/2π = 57.3°) (Lide DR (ed) (2004) CRC handbook of chemistry and physics. CRC Press, Boca Raton, FL; (2003) College physics. McGraw-Hill Science/Engineering/Math, New York).

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© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA