/ˈkjuːmjʊleɪt/
with obj.
1- gather together and combine积聚, 积累：
the systems cumulate data over a period of years.
这些系统在数年时间里积累资料。
1.1
- no obj. be gathered together and combined累积, 积聚：
all unpaid dividend payments cumulate and are paid when earnings are sufficient.
所有未付的股息支付有待累积并于赚到足够的钱时一并给付。
1.2
- as adj. cumulated Chemistry denoting two double bonds attached to the same carbon atom【化】（双键）累积的。
/ˈkjuːmjʊlət/
- Geology an igneous rock formed by gravitational settling of particles in a magma【地质】堆积岩。
派生词
cumulation
noun词源
mid 16th cent. （as a verb in the sense 'gather in a heap'）： from Latin cumulat- 'heaped', from the verb cumulare, from cumulus 'a heap'. Current senses date from the early 20th cent.