subether

== English == === Alternative forms === sub-ether === Etymology === From sub- +‎ ether. === Noun === subether (countable and uncountable, plural subethers) (science fiction) A fictional medium through which faster-than-light signals are able to travel. ==== Derived terms ==== === References === Jesse Sheidlower, editor (2001–2026), “sub-ether, n.”, in Historical Dictionary of Science Fiction.