decomposition

(noun) the analysis of a vector field. Synonyms: vector decomposition.

(noun) in a decomposed state. Synonyms: disintegration.

(noun) (chemistry) separation of a substance into two or more substances that may differ from each other and from the original substance. Synonyms: decomposition reaction, chemical decomposition reaction.

(noun) (biology) the process of decay caused by bacterial or fungal action. Synonyms: rot, rotting, putrefaction.

(noun) the organic phenomenon of rotting. Synonyms: decay.