Chemical decomposition reaction and Chemical reaction

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

Chemical reaction and chemical decomposition reaction are semantically related. In some cases you can use "Chemical reaction" instead a noun phrase "Chemical decomposition reaction".

Chemical reaction noun - (chemistry) a process in which one or more substances are changed into others.

Chemical decomposition reaction and chemical reaction are semantically related. Sometimes you can replace phrase "Chemical decomposition reaction" with "Chemical reaction", this phrases are similar.