pseudoscience

pseudotiede, mukatiede, näennäistiede Any body of knowledge that purports to be scientific or to be supported by science but which fails to comply with the scientific method.
1796, James Pettit Andrews, Robert Henry, History of Great Britain, from the death of Henry viii. to the accession of James vi. of Scotland to the crown of England http://books.google.com/books?id=QIUUAAAAQAAJ&pg=PA87&dq=%22pseudo-science%22 p. 87:

The fantastical pseudo-science of alchemy has in all ages had its numerous votaries …