Meanings
nounrubigo (uncountable)
- obsoleteuncountablebiologyrust (fungal disease of plants)
Dr. Darwin supposes that the rubigo which shows itself in a ferruginous powder beneath the leaves of vegetables previously diseased, may be a fungus (like the eurisiphe or mildew)[…]
1804, Annals of agriculture and other useful arts
Origin
Rhymes & wordplay
Anagrams
Cite this entry
APA
rubigo. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rubigo
MLA
“rubigo.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rubigo. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “rubigo,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rubigo.
Source: rubigo on Wiktionary, CC BY-SA 4.0.