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 cytoplasm shows two types of granules. 1  Primary granules: The primary granules are azurophilic (reddish-purple or burgundy color) and are remnants of the granules of the promyelocyte stage. 2  Secondary granules: The the size and staining of secondary granules are specific to the type of granulocytes.