Word.ws English Dictionary

heliac

/ˈhiːliæk/

heliac is the alternative form of heliacal.

Meaning of heliacal

Adjective

heliacal

  1. (rare) Of or relating to the Sun, especially rising and setting with the sun.
  2. Of or relating to the rising of a star when it first becomes visible just before sunrise in the eastern sky, having previously been made invisible by sunlight, or the analogous situation of its setting just after sunset.

Noun

heliac (plural heliacs)

  1. A stellarator in which the magnetic axis (and plasma) follows a helical path to form a toroidal helix rather than a simple ring shape.

Forms of heliac

pluralheliacs

Origin of heliac

Short for helical accelerator.

Questions about heliac

What does heliac mean?
Heliac means a stellarator in which the magnetic axis (and plasma) follows a helical path to form a toroidal helix rather than a simple ring shape.
What is heliac the alternative form of?
Heliac is the alternative form of heliacal.
What part of speech is heliac?
Heliac is a noun.
How do you pronounce heliac?
Heliac is pronounced /ˈhiːliæk/.
What is the plural of heliac?
The plural of heliac is heliacs.

Words near heliac in the dictionary

  1. heli-skied
  2. heli-skier
  3. heli-skiers
  4. heli-skiing
  5. heli-skis
  6. heliac
  7. heliacal
  8. heliacally
  9. heliacs
  10. Heliades
  11. heliair

Source and license

Adapted from Wiktionary: heliac (page history and authors); heliacal (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: “heliac.” Word.ws, https://word.ws/heliac. Based on Wiktionary, CC BY-SA 4.0.