1) absorbed dose 2) dose the energy imparted to matter in a suitably small element of volume by ionising radiation divided by the mass of that element of volume GRM: n. (1,2) SBL/EXP: D USG: term to be avoided (2) Note: Sl units of absorbed doses are joules per kilogram, whose special name is gray, symbol: Gy. The earlier special unit of absorbed dose, still in temporary use, was the rad References: SEEionising radiation SEEionizing radiation SPEcumulative absorbed dose SPEemergency dose SPEthreshold dose SPEdose SPETotal dose SPEcumulative dose SPEAccumulated dose