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Subatomic particle with positive charge
A proton is a stable subatomic particle, symbol p, H+, or 1H+ with a positive electric charge of +1 e (elementary charge). Its mass is slightly less than
Proton
Topics referred to by the same term
up proton in Wiktionary, the free dictionary. A proton is a subatomic particle. Proton may also refer to: Proton, the hydron ion (notated H+ ) Proton, hydronium
Proton_(disambiguation)
Malaysian automotive company
Proton Holdings Berhad, commonly known as Proton (stylised PROTON), is a Malaysian multinational automotive company. Proton was established on 7 May 1983
Proton_Holdings
Nuclear fusion reaction
The proton–proton chain, also commonly referred to as the p–p chain, is one of two known sets of nuclear fusion reactions by which stars convert hydrogen
Proton–proton_chain
End-to-end encrypted email service
Proton Foundation through its subsidiary Proton AG, which also operates Proton VPN, Proton Drive, Proton Calendar, Proton Pass, Proton Wallet, Proton
Proton_Mail
Swiss technology company
Proton AG is a Swiss technology company offering privacy-focused online services and software. It is majority owned by the non-profit Proton Foundation
Proton_AG
Linux compatibility layer for Windows games
Proton is a compatibility layer that allows Windows software (primarily video games) to run on Linux-based operating systems. Proton is developed by Valve
Proton_(software)
Virtual private network provider
Proton VPN is a VPN service launched in 2017 and operated by the Swiss company Proton AG, the company behind the email service Proton Mail. According
Proton_VPN
Soviet designed rocket family
Proton (Russian: Протон, lit. 'proton', formal designation: UR-500, GRAU: 8K82, Sheldon: D-1, DoD: SL-9/-12/-13) is a Soviet and Russian hypergolic expendable
Proton_(rocket_family)
Model series produced by Proton
The Proton Saga is a series of subcompact cars and currently city cars produced by Malaysian automobile manufacturer Proton. Introduced in 1985, the Proton
Proton_Saga
End-to-end encrypted storage service
Proton Drive is an end-to-end encrypted, cloud-based file storage and synchronization service developed by Proton AG. Proton Drive enables storing files
Proton_Drive
Russian heavy lift launcher which uses hypergolic fuel
Proton-M (Протон-М, GRAU index 8K82M or 8K82KM) is an expendable Russian heavy-lift launch vehicle derived from the Soviet-developed Proton. It is built
Proton-M
Quantum mechanical phenomenon
Proton tunneling is a type of quantum tunneling involving the instantaneous disappearance of a proton in one site and the appearance of the same proton
Proton_tunneling
Addition of a proton to an atom, molecule, or ion, forming the conjugate acid
In chemistry, protonation (or hydronation) is the adding of a proton (or hydron, or hydrogen cation), usually denoted by H+, to an atom, molecule, or ion
Protonation
Class of drugs for reducing stomach acid
Proton-pump inhibitors (PPIs) are a class of medications that cause a profound and prolonged reduction of stomach acid production. They do so by irreversibly
Proton-pump_inhibitor
Compact sedan
The Proton S70 is a C-segment compact sedan produced by Malaysia's automotive company Proton in collaboration with Geely Auto. The vehicle was previewed
Proton_S70
Medical procedure
In medicine, proton therapy, or proton radiotherapy, is a type of particle therapy that uses a beam of protons to irradiate diseased tissue, most often
Proton_therapy
Hypothetical particle decay process of a proton
Proton decay is the key process to test the stability of matter and baryon number conservation and has long been a subject of both theoretical and experimental
Proton_decay
Malaysian car model
The Proton Wira (lit. "hero") is a car manufactured by Malaysian automaker Proton from 1993 to 2009. Based on the fourth-generation Mitsubishi Lancer
Proton_Wira
Motor vehicle
The Proton Iriz is a supermini (B-segment) produced by Malaysian automobile manufacturer Proton from 2014 to 2025. It was unveiled on 25 September 2014
Proton_Iriz
Malaysian compact crossover SUV
The Proton X70 is a compact crossover SUV produced by the Malaysian car maker Proton. Marketed as a C-segment SUV, the car was launched on 12 December
Proton_X70
German auto racing team
Proton Competition (also formerly racing as Dempsey-Proton Racing or Team Felbermayr-Proton) is a German auto racing team based in Ummendorf, Baden-Württemberg
Proton_Competition
Malaysian compact multi-purpose vehicle
The Proton Exora is an automobile produced by the Malaysian car manufacturer Proton from 2009 to 2023. Considered to be a compact multi-purpose vehicle
Proton_Exora
Unsolved physics problem
quarks and gluons carry the spin of protons? More unsolved problems in physics The proton spin crisis (or proton spin puzzle) is a theoretical crisis
Proton_spin_crisis
Number of protons found in the nucleus of an atom
For ordinary nuclei composed of protons and neutrons, this is equal to the proton number (np) or the number of protons found in the nucleus of every atom
Atomic_number
Transport protein
A proton pump is an integral membrane protein pump that builds up a proton gradient across a biological membrane. Proton pumps catalyzes the following
Proton_pump
Russian carrier rocket model used from 1967 to 2012
Proton-K (Протон-К, GRAU: 8K82K, Sheldon: D-1, D-1-e, D-1-h, DoD: SL-12, SL-13), was a Russian, previously Soviet, carrier rocket derived from the earlier
Proton-K
Motor vehicle
The Proton Satria is a hatchback automobile produced by Malaysian manufacturer Proton from 1994 to 2005 in the first generation model and from 2006 to
Proton_Satria
Fictional device from the Ghostbusters franchise
The proton pack is a fictional energy-based capture device, used for controlling and lassoing ghosts in the Ghostbusters universe. First depicted in the
Proton_pack
Saloon car
The Proton Waja is a saloon car manufactured by Malaysian automotive company, Proton, it was launched in May 2000 by fourth Prime Minister Mahathir Mohamad
Proton_Waja
Open-source password management software
Proton Pass is a freemium password manager with open-source clients, developed by the Swiss software company Proton AG. Proton Pass can store login credentials
Proton_Pass
Particle accelerator at CERN, Switzerland
LHC primarily collides proton beams, but it can also accelerate beams of heavy ions, such as in lead–lead collisions and proton–lead collisions. The LHC's
Large_Hadron_Collider
Malaysian subcompact crossover SUV
The Proton X50 is a subcompact crossover SUV produced by the Malaysian car maker Proton. Marketed as a B-segment SUV, the vehicle was revealed on 15 September
Proton_X50
Series of compact and subcompact cars
The Proton Persona is a series of compact and subcompact cars produced by Malaysian automobile manufacturer Proton from 1993 to 2026. The first generation
Proton_Persona
Taiwanese electronics company
Proton Electronic Industrial Co., Ltd. (Chinese: 普騰電子工業股份有限公司) is a Taiwanese company founded in 1964. The company's line of business includes the manufacturing
Proton_Electronic
Motor vehicle
The Proton Prevé is a four-door compact saloon developed by Malaysian automobile manufacturer Proton. It was launched on 16 April 2012 and is based on
Proton_Prevé
Motor vehicle
The first generation Proton Saga was the first automobile produced by Malaysian automobile manufacturer Proton. It was based on the 1983 Mitsubishi Lancer
Proton Saga (first generation)
Proton_Saga_(first_generation)
Chemical compound giving a proton or accepting an electron pair
An acid is a molecule or ion capable of either donating a proton (i.e. hydrogen cation, H+), known as a Brønsted–Lowry acid, or forming a covalent bond
Acid
Automotive brand division
Proton R3 was the motorsport and performance division of the Malaysian automotive brand Proton. The name R3, pronounced ar tiga in Malay, is an abbreviation
Proton_R3
Motor vehicle
The Proton Inspira is a four-door compact saloon produced by Malaysian automobile manufacturer Proton, which was first launched in November 2010. It was
Proton_Inspira
Motor vehicle
Proton Savvy is a supermini hatchback produced by Malaysian carmaker Proton. The car was introduced in June 2005, as an indirect successor to Proton Tiara
Proton_Savvy
Front-wheel-drive coupé utility vehicle
The Proton Arena (also called Proton Jumbuck in some markets) is a small front wheel drive coupé utility manufactured by Malaysian automaker Proton. Introduced
Proton_Arena
Smallest unit of a chemical element
number of protons that are in their atoms. For example, any atom that contains 11 protons is sodium, and any atom that contains 29 protons is copper.
Atom
Motor vehicle
The second generation Proton Saga is a four-door subcompact saloon produced by Malaysian car manufacturer Proton which launched on 18 January 2008. It
Proton Saga (second generation)
Proton_Saga_(second_generation)
Electrochemical principle that enables cellular respiration
photophosphorylation. Hydrogen ions, or protons, will diffuse from a region of high proton concentration to a region of lower proton concentration, and an electrochemical
Chemiosmosis
Compact 5-door liftback vehicle
The Proton GEN•2 (often simplified as Gen-2 or GEN2) is a compact 5-door liftback manufactured by Malaysian automobile manufacturer Proton which launched
Proton_Gen_2
Township in Perak, Malaysia
Proton City (Malay: Bandaraya Proton) is a township with industrial, commercial and residential activities spread over 4,000 acres (16 km2) in Muallim
Proton_City
following is a list of Proton vehicles, including past, present, and concept nameplates. Perusahaan Otomobil Nasional (Proton) was established in May
List_of_Proton_vehicles
Protons hopping across hydrogen bonds between hydronium ions and water molecules
The Grotthuss mechanism (also known as proton jumping) is a model for the process by which an 'excess' proton diffuses through the hydrogen bond network
Grotthuss_mechanism
Subatomic particle with no charge
that has no electric charge, and a mass slightly greater than that of a proton. The neutron was discovered by James Chadwick in 1932, leading to the discovery
Neutron
Proton computed tomography (pCT), or proton CT, is an imaging modality first proposed by Cormack in 1963 and initial experiment explorations identified
Proton_computed_tomography
Property of ions and molecules
The proton affinity (PA, Epa) of an anion or of a neutral atom or molecule is the negative of the enthalpy change in the reaction between the chemical
Proton_affinity
Automotive safety body construction system
safety body construction system by the Malaysian carmaker, Proton. Debuting in 2012 with the Proton Preve, the RESS was developed to meet tougher global crash
Proton_RESS
Motor vehicle
The second generation Proton Perdana is a mid-sized four-door saloon from Malaysian automobile manufacturer Proton. It was unveiled on 11 December 2013
Proton Perdana (second generation)
Proton_Perdana_(second_generation)
Physical phenomenon
intramolecular proton transfer (ESIPT) is a process in which photoexcited molecules relax their energy through tautomerization by transfer of protons. Some kinds
Excited state intramolecular proton transfer
Excited_state_intramolecular_proton_transfer
Battery electric compact crossover SUV
automaker Geely Auto since 2024 and co-developed with Malaysian automaker Proton. Debuting in May 2024, it is the second battery electric vehicle within
Geely_EX5
Power generation technology
Proton-exchange membrane fuel cells (PEMFC), also known as polymer electrolyte membrane (PEM) fuel cells, are a type of fuel cell being developed mainly
Proton-exchange membrane fuel cell
Proton-exchange_membrane_fuel_cell
Internet electronic music station
Proton Radio is an internet electronic music station founded in 2002 by Sam Packer, Alex Ambroziak, and Eric Liberda. The station features over 200 exclusive
Proton_Radio
Motor vehicle
The Proton Putra (Malay, "son" or "prince") is a front wheel drive sports coupe produced by Malaysian automobile company Proton. Production of the Putra
Proton_Putra
Type of electrolyte
A proton conductor is an electrolyte, typically a solid electrolyte, in which H+ are the primary charge carriers. Acid solutions exhibit proton-conductivity
Proton_conductor
Motor vehicle
Proton EMAS is a range of concept cars designed by Italdesign Giugiaro and developed by Proton. It debuted at the 2010 Geneva Motor Show as a hybrid vehicle
Proton_EMAS
Series of Soviet satellites
Proton (Russian: протон) ('proton') was a Soviet series of four cosmic ray and elementary particle detecting satellites. Orbited 1965–68, three on test
Proton_(satellite_program)
Proton Bank (in Greek Proton Τράπεζα Α.Ε.) was a Greek bank that was established in 2001 and was taken over by the government in 2011. The bank offered
Proton_Bank
Hospital in PA, United States
the Roberts Proton Therapy Center which houses the largest proton therapy center associated with a medical center in the world. The proton therapy center
Perelman Center for Advanced Medicine
Perelman_Center_for_Advanced_Medicine
Reciprocating internal combustion engine
Gen-2, Proton Satria Neo, Proton Waja Campro, Proton Persona, Proton Saga, Proton Exora, Proton Preve, Proton Suprima S and Proton Iriz. The CamPro engine
Proton_CamPro_engine
Soft redirect to Wiktionary
article on "proton transfer", but its sister project Wiktionary does: Read the Wiktionary entry "proton transfer" You can also: Search for Proton transfer
Proton_transfer
Measurement discrepancy in physics
The proton radius puzzle was a problem in physics relating to the size of the proton. Historically the proton charge radius was measured by two independent
Proton_radius_puzzle
Ion-exchange membrane specific for protons
A proton-exchange membrane, or polymer-electrolyte membrane (PEM), is a semipermeable membrane generally made from ionomers and designed to conduct protons
Proton-exchange_membrane
AI assistant
created by Proton, the Swiss company behind services such as Proton Mail, Proton VPN, Proton Pass, and Proton Drive. Development was led by Proton’s machine
Lumo_(AI_assistant)
Motor vehicle
The Proton Satria R3 is a 3-door hot hatchback introduced in late 2004 by Malaysian automaker Proton. It was conceived as a run-out model of the successful
Proton_Satria_R3
NMR via protons, hydrogen-1 nuclei
Proton nuclear magnetic resonance (proton NMR, hydrogen-1 NMR, or 1H NMR) is the application of nuclear magnetic resonance in NMR spectroscopy with respect
Proton nuclear magnetic resonance
Proton_nuclear_magnetic_resonance
Malaysian mid-sized sedan produced by Proton
The Proton Perdana is a series of four-door mid-size sedan cars produced by Malaysian automobile manufacturer Proton. The first generation Proton Perdana
Proton_Perdana
Motor vehicle
The first generation Proton Perdana is a four-door mid-size family saloon manufactured by Malaysian automobile producer Proton which launched on 26 January
Proton Perdana (first generation)
Proton_Perdana_(first_generation)
Battery electric subcompact hatchback
dealerships. Outside China, the model is marketed as the Geely EX2, the Proton eMas 5 (Malaysia) and the Geely E2 (South Africa). In 2025, the Xingyuan
Geely_EX2
Joint Stock Company "Proton-Electrotex" is a Russian company mainly involved in development, manufacturing and sales of bipolar power semiconductor devices
Proton-Electrotex
Mid-size SUV
184 PS) and 300 N⋅m (221 lb⋅ft; 31 kg⋅m) of torque. Rear view In May 2023, Proton launched the X90 for the Malaysian market which is a rebadged Haoyue. The
Geely_Haoyue
Atomic nuclei decay delimiter
nuclei are unbound with respect to the emission of a proton or neutron. An arbitrary combination of protons and neutrons does not necessarily yield a stable
Nuclear_drip_line
Motor vehicle
The Proton Jebat is a series of concept cars developed by Proton, a Malaysian automobile manufacturer, under the joint venture agreement from Mitsubishi
Proton_Jebat
Motor vehicle
fourth generation Proton Saga, codenamed P2-14A, is an A-segment four door saloon engineered by Malaysian automotive manufacturer Proton. It was launched
Proton Saga (fourth generation)
Proton_Saga_(fourth_generation)
Motor vehicle
The Proton Juara is a microvan/mini MPV produced by the Malaysian automobile manufacturer Proton between 2001 and 2004. It was launched on 22 July 2001
Proton_Juara
Type of radioactive decay
Proton emission (also known as proton radioactivity) is a rare type of radioactive decay in which a proton is ejected from a nucleus. Proton emission can
Proton_emission
C-segment saloon car
The second-generation Proton Persona (CM) is a C-segment saloon produced by the Malaysian automobile manufacturer Proton. The CM series represents the
Proton_Persona_(2007)
High-energy, direct-write nano-lithography
Proton beam writing (or p-beam writing) is a direct-write lithography process that uses a focused beam of high-energy (MeV) protons to pattern resist
Proton_beam_writing
Third generation of Proton Saga
The third generation Proton Saga, codenamed P2-13A, is an A-segment saloon engineered by Malaysian automobile manufacturer Proton. It was launched on 28
Proton Saga (third generation)
Proton_Saga_(third_generation)
Motor vehicle
The Proton Tiara is a Malaysian automobile based on the Citroën AX, built under licence by the automobile manufacturer Proton between 1996 and 2000. The
Proton_Tiara
Form of fusion power
because there are more protons and neutrons for the strong force to bind. But protons also repel other protons, so adding protons also adds electrical repulsion
Aneutronic_fusion
Subatomic particle
the antiparticle of the proton. Antiprotons are stable, but they are typically short-lived, since any collision with a proton will cause both particles
Antiproton
Laboratory technique
protons and an odd number of neutrons exhibit integer nuclear spins (I = 1, 2, 3, and so on). Conversely, atoms with an even number of both protons and
Nuclear magnetic resonance spectroscopy
Nuclear_magnetic_resonance_spectroscopy
American signals intelligence database system
CRISSCROSS/PROTON is a top-secret signals intelligence database system used by the Central Intelligence Agency (CIA), the National Security Agency (NSA)
CRISSCROSS/PROTON
Type of radioactive decay
neutron transforms it into a proton by the emission of an electron accompanied by an antineutrino; or, conversely a proton is converted into a neutron
Beta_decay
always done through login.live.com domain Creation of Proton Mail automatically creates a Proton Account Yahoo! Mail lowered its storage limit from 20
Comparison of webmail providers
Comparison_of_webmail_providers
European particle physics research centre
proton remains. The protons are then used in experiments or accelerated further in other CERN accelerators. Linac4 serves as the source of all proton
CERN
Compact hatchback
The Proton Suprima S, codenamed P3-22A is a five-door compact hatchback engineered by Malaysian automobile manufacturer Proton. It was released on 17 August
Proton_Suprima_S
CERN particle accelerator
The Proton Synchrotron Booster (PSB) is the first and smallest circular proton accelerator (a synchrotron) in the accelerator chain at the CERN injection
Proton_Synchrotron_Booster
CERN's first synchrotron accelerator
The Proton Synchrotron (PS, sometimes also referred to as CPS) is a particle accelerator at CERN. It is CERN's first synchrotron, beginning its operation
Proton_Synchrotron
Class of enzymes
In the field of enzymology, a proton ATPase, or H+-ATPase, is an enzyme that catalyzes the following chemical reaction: ATP + H 2O + H+ in ⇌ {\displaystyle
Proton_ATPase
Energy-producing metabolic pathway
simultaneously) and couples this electron transfer with the transfer of protons (H+ ions) across a membrane. Many of the enzymes in the electron transport
Electron_transport_chain
Research apparatus for particle physics
CERN. It is a collider accelerator, which can accelerate two beams of protons to an energy of 6.5 TeV and cause them to collide head-on, creating center-of-mass
Particle_accelerator
Aspect of physical cosmology
cease to shine, the universe will slowly and inexorably grow darker. If proton decay is correct, which currently remains unproven and against the fundamental
Future of an expanding universe
Future_of_an_expanding_universe
Type of nuclear fusion reaction
hydrogen with one proton and one neutron) fuses with a target nucleus, transmuting the target to a heavier isotope while ejecting a proton. An example is
Oppenheimer–Phillips_process
PROTON
PROTON
PROTON
PROTON
Boy/Male
Indian, Punjabi, Sikh
Victory of the Raghu Family
Girl/Female
Indian
Pretty flower
Girl/Female
Arabic, Muslim, Sindhi
Truth; Without a Doubt; Not Suspicious
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi
The Blue Jewel
Girl/Female
Arabic
Moon
Boy/Male
Hindu
The Moon
Girl/Female
Indian, Tamil
Garland; Pleasant Evening; Garland of Flowers; Cream
Boy/Male
Arabic, Australian, Muslim
Excellent
Boy/Male
Irish
from Sean.
Girl/Female
Tamil
Deepshika | தீபஷிகா
Flame, Lamp
PROTON
PROTON
PROTON
PROTON
PROTON
n.
The primary growth from the spore of a moss, usually consisting of branching confervoid filaments, on any part of which stem and leaf buds may be developed.
n.
Formerly, a chief clerk in the Court of King's Bench and in the Court of Common Pleas, now superseded by the master.
n.
The chief secretary of the patriarch of Constantinople.
n.
Same as Prothonotary.
n.
A register or chief clerk of a court in certain States of the United States.
pl.
of Protonema
n.
A large North American aquatic salamander (Protonopsis horrida or Menopoma Alleghaniensis). It is very voracious and very tenacious of life. Also called alligator, and water dog.
n.
The primary growth from the spore in certain cryptogamous plants; as, the proembryo, or protonema, of mosses.
pl.
of Protonotary
n.
A chief notary or clerk.
n.
Formerly, one who had the charge of writing the acts of the martyrs, and the circumstances of their death; now, one of twelve persons, constituting a college in the Roman Curia, whose office is to register pontifical acts and to make and preserve the official record of beatifications.
n.
Alt. of Protonotary