XN 4401844 210776183 2008-05-07T10:40:17Z Harl 57775 '''XN''' may refer to * crossed Nicols, see [[Nicol prism]] * the two-letter code of the [[Nordic Patent Institute]] <ref name="PCTNewsletter"> [[World Intellectual Property Organization]], [http://www.wipo.int/edocs/pctndocs/en/2007/pct_news_2007_12.pdf ''Nordic Patent Institute to Start Functioning as International Searching and Preliminary Examining Authority''], [[PCT Newsletter]], 12/2007 </ref> * '''xn--''' as the prefix used to convert non-Roman characters for use in [[Internationalized domain name]]s. * '''Xn''' as a shorthand abbreviation for [[Christian]], based on the Greek letter [[Chi (letter)]] used by early Christians. == References == {{reflist}} {{dab}} [[fr:XN]]