| mass stopping power | <physics> The mass stopping power (S/r) of a material for charged particles is the quotient dEs by the product of dl and r, where dEs is the average energy lost by a charged particle of specified energy in traversing a path length dl and r is the density of the medium. (16 Dec 1997) |
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| stopping | 1. Material for filling a cavity. 2. <chemical> A partition or door to direct or prevent a current of air. 3. <veterinary> A pad or poultice of dung or other material applied to a horse's hoof to keep it moist. Source: Websters Dictionary (01 Mar 1998) |
| stopping-out | A method adopted in etching, to keep the acid from those parts which are already sufficiently corroded, by applying varnish or other covering matter with a brush, but allowing the acid to act on the other parts. Source: Websters Dictionary (01 Mar 1998) |
| stopping power | <radiobiology> The average rate of energy loss of a charged particle per unit thickness of a material or per unit mass of material traversed. (16 Dec 1997) |