[f. as prec. + -ING1.] The action of heaping up, of gathering, or growing into a heap. Also gerundially.
1794. Sullivan, View of Nat., I. 76. These different matters, in accumulating, form a cone, the necessary shape given by accumulated substances falling from the same given point.
1861. Geo. Eliot, Silas M., 15. How the love of accumulating money grows an absorbing passion.
attrib. 1852. McCulloch, Taxation (ed. 2), III. i. 419. By giving additional force to the accumulating principle, and by stimulating individuals to maintain themselves.