My understanding is that the term 'pseudo-science' refers to theories that people pretend have scientific backing but really don't, as opposed to theories that

My understanding is that the term 'pseudo-science' refers to theories that people pretend have scientific backing but really don't, as opposed to theories that just eventually prove to be false. So I might claim that homeopathy is based on the principle of 'like-heals-like' and claim that it is based in science, but in reality there is no scientific evidence to back that idea and so homeopathy would then be pseudo-science.