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• triton
  triton

  noun

  a positively-charged particle consisting of a proton and two neutrons, equivalent to the nucleus of an atom of tritium.
• Triton
  Triton

  noun

  a son of Poseidon and Amphitrite, represented as having the head and trunk of a man and the tail of a fish, and as using a conch-shell trumpet.

triton

¹ American  

[trahy-ton] / ˈtraɪ tɒn /

noun

Physics.

1. a positively-charged particle consisting of a proton and two neutrons, equivalent to the nucleus of an atom of tritium.

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Triton ² American  

[trahyt-n] / ˈtraɪt n /

noun

1. Classical Mythology. a son of Poseidon and Amphitrite, represented as having the head and trunk of a man and the tail of a fish, and as using a conch-shell trumpet.

2. Astronomy. a moon of Neptune.

3. (lowercase) any of various marine gastropods of the family Cymatiidae, having a large, spiral, often beautifully colored shell.

4. (lowercase) the shell of a triton.

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Triton ¹ British  

/ ˈtraɪtən /

noun

1. a sea god, son of Poseidon and Amphitrite, depicted as having the upper parts of a man with a fish's tail and holding a trumpet made from a conch shell

2. one of a class of minor sea deities

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Triton ² British  

/ ˈtraɪtən /

noun

1. the largest satellite of the planet Neptune. Diameter: 2700 km

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triton ³ British  

/ ˈtraɪtən /

noun

1. any of various chiefly tropical marine gastropod molluscs of the genera Charonia , Cymatium , etc, having large beautifully-coloured spiral shells

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triton ⁴ British  

/ ˈtraɪtɒn /

noun

1. physics a nucleus of an atom of tritium, containing two neutrons and one proton

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Other Word Forms

• Tritonic
  adjective

Etymology

Origin of triton

1930–35; < Greek tríton, neuter of trítos third, equivalent to trí- tri- + -ton neuter adj. suffix; cf. -on ¹

Example Sentences

See Examples For:

triton Triton

The bird was either a yellow-crested or a triton cockatoo, she said, meaning it most likely came from northern Australia, Papua New Guinea, or islands off Indonesia.

From BBC ● Jun. 25, 2018

Ships teem around the Arsenale while a colossal triton rides a sea monster at the mouth of the Grand Canal – the real marries the fabulous as Venice is wedded to the sea.

From The Guardian ● Apr. 23, 2010

By relentlessly hunting for a rare trumpet-shaped mollusk called the giant triton, some scientists say, shell collectors have taken a devastating toll of one of the crown-of-thorns' few natural enemies.

From Time Magazine Archive

Andromeda contains many such lines, as for example:   Violet, asphodel, ivy, and vine-leaves, roses and lilies—   Nereid, siren, and triton, and dolphin, and arrowy fishes.

From Studies in Early Victorian Literature by Frederic Harrison

He has been a triton in a pond of minnows.

From Caesar Dies by Talbot Mundy

SLB is buying Kelvion from funds managed by Apollo, the majority owner, as well as funds advised by Triton.

From The Wall Street Journal ● Aug. 31, 2026

"If you bring Triton in, and you smash up your large moons, we think only 1 percent or so of that material stayed around in the system," Davis says.

From Science Daily ● Aug. 14, 2026

MarineTraffic lists the beneficial owner and operator as Nigeria-based Thomarose Global Ventures Ltd and it lists the registered owner as Marshall Islands-based Triton Navigation Corp.

From BBC ● Dec. 11, 2025

Triton Baseball defeats Beckman 5-0 today at home.

From Los Angeles Times ● May 1, 2025

The whole statue had acquired around its northerly surfaces a bluish-green patina, so that from certain approaches, and in low light, the muscle-bound Triton really seemed a hundred leagues under the sea.

From "Atonement" by Ian McEwan