noun: (chemistry) Initialism of dimethylformamide. [(organic chemistry) The methyl substituted amide HCO-N(CH₃)₂ used as a polar solvent]
noun: (chemistry) Initialism of dimethylfuran. [(organic chemistry) Any of four isomers of the heterocyclic compound formed by substituting two methyl groups for hydrogen in furan; but especially 2,5-dimethylfuran obtained by catalytic reduction of fructose from biomass for use as a biofuel]
noun: (software, Windows) Initialism of distribution media format.