as-yet-unknown

== English == === Alternative forms === as yet unknown === Adjective === as-yet-unknown (not comparable) Currently unknown. 1990, David Layzer Professor of Astrophysics Harvard University, Cosmogenesis : The Growth of Order in the Universe: The Growth of Order in ... Now suppose that neutrons had some as-yet-unknown property that, if it could be observed, would enable us to predict their individual lifetimes. === Noun === as-yet-unknown (plural as-yet-unknowns) Something that is currently unknown.