What does rubropurpureus mean in Latin?

rubropurpureus, a adjective, means “fuchsia; magenta”.

How do you pronounce rubropurpureus?

In classical Latin, [rʊ.brɔ.pʊrˈpʊ.re.ʊs]; in ecclesiastical (church) Latin, [ru.bro.purˈpuː.re.us].

adjectivefirst/second-declension adjective

rubropurpureus (feminine rubropurpurea, neuter rubropurpureum)

Classical[rʊ.brɔ.pʊrˈpʊ.re.ʊs]Ecclesiastical[ru.bro.purˈpuː.re.us]

singular
form	masculine	feminine	neuter
nominative	rubropurpureus	rubropurpurea	rubropurpureum
genitive	rubropurpureī	rubropurpureae	rubropurpureī
dative	rubropurpureō	rubropurpureae	rubropurpureō
accusative	rubropurpureum	rubropurpuream	rubropurpureum
ablative	rubropurpureō	rubropurpureā	rubropurpureō
vocative	rubropurpuree	rubropurpurea	rubropurpureum

plural
form	masculine	feminine	neuter
nominative	rubropurpureī	rubropurpureae	rubropurpurea
genitive	rubropurpureōrum	rubropurpureārum	rubropurpureōrum
dative	rubropurpureīs	rubropurpureīs	rubropurpureīs
accusative	rubropurpureōs	rubropurpureās	rubropurpurea
ablative	rubropurpureīs	rubropurpureīs	rubropurpureīs
vocative	rubropurpureī	rubropurpureae	rubropurpurea

From ruber (“red”) + purpureus (“purple”).