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Etymology 1[edit]

From Latin Vulcānus, of Etruscan origin, but unknown meaning.

Proper noun[edit]


  1. (Roman mythology) The god of volcanoes and fire, especially the forge, also the patron of all craftsmen, principally blacksmiths. The Roman counterpart of Hephaestus.
    The goddess Venus was the wife of Vulcan.
  2. (astronomy, historical) A hypothetical planet proposed to exist in an orbit between Mercury and the Sun in a 19th-century hypothesis.
  3. A town in southern Alberta, Canada.
  4. A ghost town in Colorado
  5. An inactive volcano in New Mexico
  6. A volcano in Papua New Guinea
  7. A city and a few villages in Romania
  8. A fictional planet from Star Trek.
  9. A fictional extraterrestrial species related to humans from Star Trek.
Derived terms[edit]
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Etymology 2[edit]

From Vulcan (etymology 1), from the Star Trek TV series of the 1960s.

Proper noun[edit]


  1. (fiction) An inhabited planet, the homeworld of the Vulcan species. (Can we add an example for this sense?)


Vulcan (plural Vulcans)

  1. (fiction) An inhabitant of the planet Vulcan.
  2. (slang, pejorative) A person who seems to lack emotion or is overly analytical and boring (like the fictional Vulcans).