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List phrases that spell out pion 

We found 30 dictionaries with English definitions that include the word pion: Click on the first link on a line below to go directly to a page where "pion" is defined. General (21 matching dictionaries) pion: American Heritage Dictionary of the English Language [home, info] pion: Collins English Dictionary [home, info] pion: Vocabulary.com [home, info] pion: Macmillan Dictionary [home, info] pion, pion: Merriam-Webster's Online Dictionary, 11th Edition [home, info] Pion, Pion, pion, pion: Wordnik [home, info] Pion: Wiktionary [home, info] pion: Compact Oxford English Dictionary [home, info] pion: Webster's New World College Dictionary, 4th Ed. [home, info] pion: The Wordsmyth English Dictionary-Thesaurus [home, info] pion: Infoplease Dictionary [home, info] pion: Dictionary.com [home, info] pion: UltraLingua English Dictionary [home, info] Pion: Wikipedia, the Free Encyclopedia [home, info] pion: Rhymezone [home, info] pion (de), pion (m): AllWords.com Multi-Lingual Dictionary [home, info] pion: Free Dictionary [home, info] pion: Mnemonic Dictionary [home, info] pion: WordNet 1.7 Vocabulary Helper [home, info] Pion, pion: LookWAYup Translating Dictionary/Thesaurus [home, info] pion: Dictionary/thesaurus [home, info] Art (1 matching dictionary) pion-: A Cross Reference of Latin and Greek Elements [home, info] Computing (1 matching dictionary) pion: Encyclopedia [home, info] Medicine (1 matching dictionary) pion: Medical dictionary [home, info] Miscellaneous (2 matching dictionaries) pion, pion, pion: Terminology and Descriptions of Geneaological Words [home, info] PION: Acronym Finder [home, info] Science (3 matching dictionaries) Pion: Eric Weisstein's World of Physics [home, info] Pion: Extragalactic Astronomy [home, info] Pion: Accelerator Glossary [home, info] Slang (1 matching dictionary) Pion: Urban Dictionary [home, info]

Quick definitions from WordNet (pion) ▸ noun:  a meson involved in holding the nucleus together; produced as the result of high-energy particle collision ▸ name:  A surname (very rare: popularity rank in the U.S.: #26167)