Submitted by György Chityil ... on Fri, 01/19/2018 - 18:14 Hierarchy: InitialismDescription: {{US|military|aviation|obsolete}} experimental pursuit fighter {{qualifier|prefix}}Ngram: XPNgram Text: XPSource: WiktionaryIssue: 0Wiktionary tag: aviationqualifierprefixNgram Count: 1Wikokit WikiText ID: 181143