#1 decompose v. [break up, break down] separate (substances) into constituent elements or parts. wn
#2 decompose v. [disintegrate, decay] lose a stored charge, magnetic flux, or current; "the particles disintegrated during the nuclear fission process". wn
#3 decompose v. [rot, molder, moulder] break down; "The bodies decomposed in the heat". wn
vizzz