A system of theories or assertions about the natural world that claim or appear to be scientific but that, in fact, are not. For example, astronomy is a science, but astrology is generally viewed as a pseudoscience.
Main Entry: pseu·do·sci·ence Pronunciation: "süd-O-'sI-&n(t)s Function: noun : a system of theories, assumptions, and methodserroneously regarded as scientific —pseu·do·sci·en·tif·ic/-"sI-&n-'tif-ik/adjective