Disintegration per Minute per Milligram

**Semantic type:** Quantitative Concept

**Definition:** A unit of radioactive decay expressed in atoms of radioactive material that decay over a period of time equal to sixty seconds in a mass unit equal to one milligram.

**Synonyms:** - Disintegrations per Minute per Milligram - dpm/mg - dpm/mg - {disintegrations}/min/mg - {disintegrations}/min/mg