2P

2P may refer to:

Science

• 2P/Encke, official designation of Comet Encke
• 2p, an arm of
  Chromosome 2 (human)
• 2p, an atomic orbital for electrons
• Two-photon absorption
• Two-photon excitation microscopy

Transportation

• Airphil Express
  , a Philippines airline, IATA code 2P
• LMS Class 2P 4-4-0, a British locomotive

Other

• 2P, a 408mm artillery piece from the Soviet Union
• 2p, a two pence British coin
• 2P, rapper 2 Pistols
• fossil fuels
• 2P, meaning "player 2" in
  fandoms which can include inverting a character's personality
  and appearance

• P2 (disambiguation)

Topics referred to by the same term

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