PY

PY

PY, Py or py may stand for:

  • Pack year, a quantification of cigarette smoking
  • Pinyin, a system of romanization (phonetic notation and transliteration to Roman script) for Mandarin Chinese
  • Py (cipher), a stream cipher designed by Eli Biham and Jennifer Seberry
  • Paraguay, ISO 3166-1 country code
    • .py, the country code top level domain (ccTLD) for Paraguay
  • The Python programming language's typical filename extension, '.py'
  • The Portsmouth yardstick, used as a rating system in yacht racing and dinghy racing
  • Delphine Py-Bilot, a French triathlete
  • Eugène Py, a French cinema pioneer of the Cinema of Argentina
  • Olivier Py, a French stage director, actor and writer
  • Py, Pyrénées-Orientales, a commune of the Pyrénées-Orientales département in southwestern France
  • Surinam Airways IATA airline designator
  • Pyridine, a common monodentate ligand in coordination chemistry, abbreviated as 'py'
  • Permalloy, a nickel-iron magnetic alloy
  • Piye, a Kushite king and founder of the Twenty-fifth dynasty of Egypt

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