from
The Collaborative International Dictionary of English v.0.48
Accumulation \Ac*cu`mu*la"tion\, n. [L. accumulatio; cf. F.
accumulation.]
1. The act of accumulating, the state of being accumulated,
or that which is accumulated; as, an accumulation of
earth, of sand, of evils, of wealth, of honors.
[1913 Webster]
2. (Law) The concurrence of several titles to the same proof.
[1913 Webster]
{Accumulation of energy} or {power}, the storing of energy by
means of weights lifted or masses put in motion;
electricity stored.
{An accumulation of degrees} (Eng. Univ.), the taking of
several together, or at smaller intervals than usual or
than is allowed by the rules.
[1913 Webster]