Wiktionary
n. (context usually uncountable English) That which is not science, or a specific non-scientific field
Wikipedia
Nonscience is a 1971 book which claims to have the longest and most complex title in publishing history.
Its full title is Nonscience and the Pseudotransmogrificationalific Egocentrified Reorientational Proclivities Inherently Intracorporated In Expertistical Cerebrointellectualised Redeploymentation with Special Reference to Quasi-Notional Fashionistic Normativity, The Indoctrinationalistic Methodological Modalities and Scalar Socio-Economic Promulgationary Improvementalisationalism Predelineated Positotaxically Toward Individualistified Mass-Acceptance Gratificationalistic Securipermanentalisationary Professionism, or How To Rule The World, London: Wolfe Publishing (ISBN 0-7234-0449-6).
Its author Brian J. Ford pokes fun at those who conceal their lack of real expertise by using long and complicated words, whilst making the serious point that many people are fooled by these so-called experts. Some consider the book prescient, thinking that modern society, where decisions are taken by unseen experts, is much as Ford predicted.
Usage examples of "nonscience".
I didn't even read that much sf, turning instead to natural history, politics, science, literature—I immersed myself throughout high school in tons of such nonscience fiction.