verb (used with object), decomposed, decomposing.
to separate or resolve into constituent parts or elements; disintegrate: The bacteria decomposed the milk into its solid and liquid elements.
verb (used without object), decomposed, decomposing.
to rot; putrefy: The egg began to decompose after a day in the sun.
Origin: 1745–55; Related forms
< French décomposer,
equivalent to dé- dis-1
distill, fractionate, analyze. 2.