dark space

== English == === Noun === dark space (plural dark spaces) any of several regions in a glow discharge in which little or no light is produced (astronomy) the intergalactic void (literal) Used other than figuratively or idiomatically: see dark,‎ space. ==== Derived terms ==== ==== Translations ==== === Further reading === Massachusetts Institute of Technology, Applied Electronics, 1943, John Wiley, pp 144–150