accumulation

accumulation

CEFR: C1-C2 /ac-cu-mu-la-tion/ [ah0.k.y.uw2.m.y.ah0.l.ey1.sh.ah0.n]

The noun "accumulation" is the act of accumulating (or gathering something over time). You might see this word in geology lectures.

Example Sentences:
Accumulations of sand can be formed by the action of waves on coastal beaches.
The formation of glacier is an accumulation of snow that lasts for more than a year.
The accumulation of gas continues for several million years although planets like Jupiter- and Saturn-are considered to have accumulated their mass over only 10,000 years.
Sedimentary rocks are formed by the accumulation of sediment.
If you keep putting money in the bank, the amount you have is the accumulation of your savings.