Word.ws English Dictionary

helionaut

helionaut noun: someone who travels to the Sun; an explorer of the Sun.

Noun

helionaut (plural helionauts)

  1. (rare) Someone who travels to the Sun; an explorer of the Sun.
    • IIRC from the director's commentary the name was chosen to add a bit of humility to the mission, lest the helionauts get too cocky about their cutting edge technology.2008 January 10, Jared, “Re: SUNSHINE (no spoilers)”, in rec.arts.movies.current-films (Usenet)

Forms of helionaut

pluralhelionauts

Origin of helionaut

From helio- + -naut.

Questions about helionaut

What does helionaut mean?
Helionaut means someone who travels to the Sun; an explorer of the Sun.
What part of speech is helionaut?
Helionaut is a noun.
What is the plural of helionaut?
The plural of helionaut is helionauts.

Words near helionaut in the dictionary

  1. heliomicin
  2. heliomicroscopy
  3. heliomycin
  4. helion
  5. helional
  6. helionaut
  7. helionauts
  8. helionium
  9. helions
  10. heliopause
  11. heliopauses

Source and license

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