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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 sports and 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
Proton (software), a Wine-based compatibility tool for Linux
Products of the company Proton AG
- ProtonMail, an encrypted email service
- ProtonVPN, a VPN service
Original name of the BBC Micro microcomputer
Proton, a model of diving equipment made by Siebe Gorman

In business

Proton AG, a Swiss 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 in The Big Bang Theory television series universe
Proton (band), an Australian rock band