Meanings
adjectiveultracarbonaceous (not comparable)
- not comparableExtremely rich in carbon or carbon compounds.
Origin
From ultra- + carbonaceous. First use appears c. 1984.
Full word history & related roots →Cite this entry
APA
ultracarbonaceous. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/ultracarbonaceous
MLA
“ultracarbonaceous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/ultracarbonaceous. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “ultracarbonaceous,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/ultracarbonaceous.
Source: ultracarbonaceous on Wiktionary, CC BY-SA 4.0.