Get the FREE one-click dictionary software for Windows
or the iPhone/iPad and Android apps
Noun: decomposition  ,dee,kóm-pu'zi-shun
  1. (biology) the process of decay caused by bacterial or fungal action
    "The decomposition of fallen leaves enriches the soil";
    - rot, rotting, putrefaction, breakdown, biodegradation
     
  2. The organic phenomenon of rotting
    "The decomposition of the animal carcass attracted scavengers";
    - decay
     
  3. (chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance
    "The decomposition reaction of water into hydrogen and oxygen requires electricity"; "The chemical decomposition reaction of water into hydrogen and oxygen requires electricity";
    - decomposition reaction, chemical decomposition reaction, breakdown
     
  4. Physical deterioration into fragments or powder
    "The decomposition of the leaves enriched the soil";
    - disintegration

Derived forms: decompositions

Type of: chemical reaction, decay, organic phenomenon, reaction

Encyclopedia: Decomposition