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.
1 Plant cells have a cell wall composed of cellulose as well as a cell membrane. 2  Centrioles: Animal cells contain these cylindrical structures that organize the assembly of microtubules during cell division. 3  Plant cells do not typically contain centrioles.