decomposition

中文： 分解作用

1. A biological process through which organic material is reduced to e.g. compost. (countable, uncountable)
2. The act of taking something apart, e.g. for analysis. (countable, uncountable)
3. The splitting (of e.g. a matrix, an atom, or a compound) into constituent parts. (countable, uncountable)

复数 decompositions