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Definition of vulcan

vulcan

/ˈvʌl.kən/
vul · can

Plural:vulcans
•
Adjective:vulcanian
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vulcan Lexical Profile

vulcan Game Scores & Validity

• noun

1

In ancient Roman mythology, the god of fire, including the destructive fire of volcanoes and wildfires, as well as the forge and metalworking, identified with the Greek god Hephaestus (usually capitalized).

Example

"Ancient Roman smiths and artisans honored Vulcan at the annual festival of the Volcanalia to protect their workshops and granaries from destructive fires."


2

A small, hypothetical planet once proposed in the nineteenth century to exist in an orbit between Mercury and the Sun to explain irregularities in Mercury's orbit (usually capitalized).

Example

"Astronomers searched in vain for the hypothetical planet Vulcan until Albert Einstein's theory of general relativity accurately explained the shift in Mercury's orbit."

• Rhymes for vulcan

Word Origin & Etymology

Borrowed from Latin Vulcanus (or Volcanus), the name of the ancient Roman god of fire, volcanoes, and metalworking, which also gave rise to the English words 'volcano' and 'vulcanize'.

Usage Trend

Historical frequency of usage in published text.

180019102020

Cite this Entry


Wordmom. (2026). Definition of Vulcan. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/vulcan
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