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.
The various current definitions of the granuloma are still based on histopathologic observations. The lesion is defined as a focal, chronic inflammatory tissue response composed mostly of macrophages and their derivatives the epithelioid cells, evoked by persistent, poorly degradable substances (1, 3, 9).