decigram/ˈdɛsɪɡɹæm/decigram means an SI unit of mass equal to 10⁻¹ grams. Symbol: dg.decigram is pronounced /ˈdɛsɪɡɹæm/.EtymologyFrom French décigramme. By surface analysis, deci- + gram.nounAn SI unit of mass equal to 10⁻¹ grams. Symbol: dg