Dram Mass Unit

**Semantic type:** Quantitative Concept

**Definition:** The non-SI unit of mass equal to 1/16 Avoirdupois ounce or 1/256 Avoirdupois pound. One dram equals approximately 1.7718451953125 grams.

**Synonyms:** - 1 [oz_av]/16 - Avoirdupois Dram - Dram - Dram - Dram (US and British) - [dr_av] - [dr_av] - [dr_av] - [dr_av] - [fdr_us] - [fdr_us] - dr_av - dram - dram