any of various cast irons strengthened by having the graphite content in the form of nodules rather than flakes, and containing cerium or magnesium as well as other additives. Also called Found on https://www.infoplease.com/dictionary/nodular-cast-iron
any of various cast irons strengthened by having the graphite content in the form of nodules rather than flakes, and containing cerium or magnesium as well as other additives. Also called