digraphdihedraldihedral angledihedral groupdihedrondilatationdilationdilatometerdilemmadilutedilutiondilution problemdimensiondimension functiondimension of basisdimension of euclidean spacedimension of linear varietydimension of probability densitydimension of vector spacedimension theorydimensionaldimensional analysisdimensional formuladimensional stabilitydimensionalitydimensionality problemdimensioningdimensionlessdimensionless covariancedimensionless numberdimensions of a rectangular figuredimensions of spacedimetric skew axonometrydiminishdiminishing efficiencydiminishing ratediminishing returnsdiminutiondimple holedini derivativesdini seriesdini surfacedini testdiophantinediophantine analysisdiophantine appoximationdiophantine approximationdiophantine equationdiophantine equationsdip