Word.ws English Dictionary

H II region

H II region noun: a large nebula of gas and plasma of glowing low density in which star formation has recently taken place.

Noun

H II region (plural H II regions)

  1. A large nebula of gas and plasma of glowing low density in which star formation has recently taken place.

Forms of H II region

pluralH II regions
alternative formH_(II) region
alternative formHII region
alternative formH-II region

Origin of H II region

From a being region of space having H_(II) emission lines in its spectrum.

Questions about H II region

What does H II region mean?
H II region means a large nebula of gas and plasma of glowing low density in which star formation has recently taken place.
What part of speech is H II region?
H II region is a noun.
What is the plural of H II region?
The plural of H II region is H II regions.

Words near H II region in the dictionary

  1. h bars
  2. H bone
  3. H bones
  4. H hinge
  5. H hinges
  6. H II region
  7. H II regions
  8. H&C
  9. H&E
  10. H&H
  11. H&I

Source and license

Adapted from Wiktionary: H II region (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: “H II region.” Word.ws, https://word.ws/h_ii_region. Based on Wiktionary, CC BY-SA 4.0.