DEFINITION of 'Windfall Tax'. A tax levied by governments against certain industries when economic conditions allow those industries to experience above-average profits. Windfall taxes are primarily levied on the companies in the targeted industry that have benefited the most from the economic windfall, most often commodity-based businesses.
acute leukemia leukemia in which the involved cell line shows little or no differentiation, usually consisting of blast cells; two types are distinguished, acute lymphoblastic leukemia and acute myelogenous leukemia. acute granulocytic leukemia acute myelogenous leukemia.
Immature granulocyte (IG). Immature granulocytes (IGs) encompass immature cells of granulocytic lineages, including metamyelocytes, myelocytes, and promyelocytes, which are easily recognized morphologically and are reported by automated analyzer as IG altogether. IG normally absent from peripheral blood.