Vulcan

American  

[vuhl-kuhn] / ˈvʌl kən /

noun

1. the ancient Roman god of fire and metalworking, identified with the Greek Hephaestus.

2. Military. a six-barrel, 20 mm U.S. Army antiaircraft gun system mounted on an armored personnel carrier and first deployed in 1968.

3. Astronomy. a hypothetical planet nearest the sun whose existence was erroneously postulated to account for perturbations in Mercury's orbit.

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Vulcan ¹ British  

/ ˈvʌlkən /

noun

1. a hypothetical planet once thought to lie within the orbit of Mercury

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Vulcan ² British  

/ ˈvʌlkən /

noun

1. Greek counterpart: Hephaestus. the Roman god of fire and metalworking

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Vulcan Cultural  

1. The Roman and Greek god of fire and metalworking; the blacksmith of the gods. He suffered bodily deformities and lameness. According to some stories, he was married to Venus, the goddess of love and beauty; in other stories, he was married to one of the three Graces. Vulcan was a son of Jupiter.

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Other Word Forms

• Vulcanian
  adjective

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Etymology

Origin of Vulcan

First recorded in 1505–15, Vulcan is from the Latin word Vulcānus

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Example Sentences

See Examples For:

Vulcan

An investor employing cold logic like a Vulcan in “Star Trek” would be befuddled by what he is currently seeing.

From MarketWatch ● Oct. 15, 2026

Hundreds of Star Trek fans are set to gather at London's Science Museum to try and set the Guinness World Record for the largest simultaneous Vulcan salute.

From BBC ● Sep. 1, 2026

Vulcan converts those oxides into metals and finished magnets.

From The Wall Street Journal ● Jul. 14, 2026

His Vulcan and Hestia projects, supported by multiple federal agencies, quantify and visualize greenhouse gas emissions nationwide, from individual power plants and roadways to neighborhoods.

From Science Daily ● Jun. 18, 2026

Roli says you should always build a case carefully, cool and logical, like a Vulcan.

From "Merci Suárez Changes Gears" by Meg Medina

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