Proton (disambiguation)

A proton is a subatomic particle.

Proton may also refer to:

In chemistry

• Proton, the hydron ion (notated H⁺
  )
• Proton, hydronium (also called hydroxonium) ion (notated H
  ₃O⁺
  )
• Proton-pump inhibitor, a group of drugs
• Proton conductor, an electrolyte
• Proton-coupled electron transfer, a chemical reaction mechanism
• Proton spectrum, the nuclear magnetic resonance spectrum of the ¹H nucleus

In entertainment

• Proton Competition, a German auto racing team
• Proton F.C., football club in the Malaysian Premier League sponsored by the carmaker that existed between 1986 and 2009
• Proton Radio, an internet electronic music station

In technology

• Ozone Proton, a French paraglider design
• Protei-5 Russian diver propulsion vehicle called a "Proton", Russian diver propulsion vehicle
• Proton (rocket family), Russian uncrewed space vehicle design
  • Proton-K, a rocket
  • Proton-M, a rocket
• Proton satellite, Soviet satellite
• Proton-transfer-reaction mass spectrometry, a technique to monitor volatile organic compounds online
• ProtonMail, an encrypted email service operated by the Swiss company Proton AG
• Proton (software), a Wine-based compatibility tool for Linux
• ProtonVPN, a VPN service operated by the Swiss company Proton AG
• Original name of the BBC Micro microcomputer
• Proton, a make of rebreather breathing set made by Siebe Gorman

In business

• Proton (Swiss company), a technology company offering privacy-focused online services
• Proton (debit card), a discontinued electronic debit card from Belgium
• Proton Bank, an investment bank in Greece
• Proton Electronic a Taiwanese manufacturer of consumer audio and video equipment founded in 1964
• Proton Holdings, a Malaysian car producer

Other uses

• USS Proton (AG-147), a US Navy tank landing ship
• Professor Proton, a fictional scientist
• Proton (band), an Australian rock band

See also

• Proto (disambiguation)