decomposition
🇺🇸
/ˌdiːˌkɑːmpəˈzɪʃn/
🇬🇧
/ˌdiːˌkɒmpəˈzɪʃn/
The natural process where something, like a dead plant or animal, breaks down into simpler parts.
The decomposition of leaves provides nutrients for the soil.
The process where a complex substance is broken down into simpler ones.
The decomposition of water produces hydrogen and oxygen.