decimalian Share definition Flag the condition where it's possible for a numeric value to contain MORE than one decimal place (i.e. software versioning, etc.). the decimalian version of the installed software is v1.2.34.5678. decimalian by SpaghettiCoder December 5, 2019 0 0 Get merch Get the decimalian mug. Buy Now — $32.95 See more merch