Citations:xenno-


 * 1994, IPC Magazines,  Vol. 144, page 81:
 * The SI prefixes above are not the only extreme ones. Others such as xenno (x) (10-27) and xenna (X) (1027), or vendeko (v) (10-33) and vendeka (V) (1033) exist, and can help simplify the expression of extreme numbers.
 * 2002,, , (2008), page 184:
 * 'Now we're talking xennobiology!' [...] a complex organism based on similar processes to the primitive ones they'd seen probably would be about a xennometre in size.
 * 2004 November,, Y. Jack Ng, "Black Hole Computers", , page 56:
 * From Nanotech to Xennotech [...] A one-kilogram hole has a radius of about 10-27 meter.
 * 2007? (archived 2016-05-21 from original page dated 2007-04-01),, Y. Jack Ng, "Black Hole Computers",  (later version of article in 2004 quotation):
 * From Nanotech to Xennotech [...] A one-kilogram hole has a radius of about 10-27 meter, or one xennometer.