Word.ws English Dictionary

vulcanoid

vulcanoid noun: a member of the hypothetical population of small asteroids orbiting in the dynamically stable zone between 0.08 and 0.21 AU from the Sun.

Noun (1)

vulcanoid (plural vulcanoids)

  1. A member of the hypothetical population of small asteroids orbiting in the dynamically stable zone between 0.08 and 0.21 AU from the Sun
  2. (broadly, informal) An asteroid whose orbit is wholly within the orbit of Mercury.

Adjective

vulcanoid (not comparable)

  1. Of or pertaining to a vulcanoid.

Noun (2) capitalized: Vulcanoid

Vulcanoid (plural Vulcanoids)

  1. (alternative) Alternative form of vulcanoid

Forms of vulcanoid

pluralvulcanoids
pluralVulcanoids

Origin of vulcanoid

From Vulcan + -oid, from the hypothetical planet Vulcan, erroneously believed to exist within the orbit of Mercury.

Questions about vulcanoid

What does vulcanoid mean?
Vulcanoid means a member of the hypothetical population of small asteroids orbiting in the dynamically stable zone between 0.08 and 0.21 AU from the Sun.
What part of speech is vulcanoid?
Vulcanoid can be a noun or an adjective.
What is the plural of vulcanoid?
The plural of vulcanoid is vulcanoids.

Words near vulcanoid in the dictionary

  1. vulcanizing shops
  2. vulcano
  3. vulcanodontid
  4. vulcanodontids
  5. vulcanoes
  6. vulcanoid
  7. vulcanoids
  8. vulcanologic
  9. vulcanological
  10. vulcanologies
  11. vulcanologist

Source and license

Adapted from Wiktionary: vulcanoid (page history and authors); Vulcanoid (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-vulcanoid.wav.

Cite this entry: “vulcanoid.” Word.ws, https://word.ws/vulcanoid. Based on Wiktionary, CC BY-SA 4.0.