It means to roll together- come together for example... lactic acid accumulates
First of all it's accumulate not accumulated!
Second this is what it really means...:
1. Gather together or acquire an increasing number or quantity of.
2. Gradually gather or acquire (a resulting whole): "her goal was to accumulate a huge fortune".
a growing body of evidence means that a lot of evidence is accumulating in anywhere.
A game, typically with an accumulating jackpot, in which participants play numbers of their choice in a random drawing.
if by accumulating you mean enough to show on the stick as overfull then there is likely a fuel system malfunction or a cracked component. If you're talking about a minute amount then it could be a dead cylinder (no spark and/or no compression)
its not possible
This is a dream about accumulating wealth. It might be simple wish-fulfillment, or it might reflect a recent experience or expectation.
It is an excessive devotion to accumulating facts.
rich enzymes
Investment
Accumulation is a noun - the act of accumulating
In a game of spades, accumulating excess bags can result in a penalty of 100 points deducted from the team's score.
investment
investment