Meanings
plural enormous Lyman-alpha nebulas
- astronomyA large gas cloud (nebula) larger than galaxies, found in intergalactic space, which radiates with an emission spectrum containing 2.47 THz lines (Lyman-alpha lines).
Synonyms & antonyms
nounA large gas cloud (nebula) larger than galaxies, found in intergalactic space, which radiates with an emission spectrum containing 2.47 THz lines (Lyman-alpha lines).
Origin
From enormous + Lyman alpha + nebula. From being a nebula with Lyman-alpha emissions that is larger than galaxies.
Full word history & related roots →Cite this entry
enormous Lyman-alpha nebula. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/enormous%20Lyman-alpha%20nebula
“enormous Lyman-alpha nebula.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/enormous%20Lyman-alpha%20nebula. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “enormous Lyman-alpha nebula,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/enormous%20Lyman-alpha%20nebula.
Source: enormous Lyman-alpha nebula on Wiktionary, CC BY-SA 4.0.