Definition of rubiginous in English:

rubiginous

adjective

technical, literary
  • Rust-coloured.

    • ‘Quinn's work - to some repellent, to others gorgeously rich with its deep rubiginous colouring and mottled patina - caused a stir when revealed to a large audience at the Royal Academy's Sensation! show in 1997.’

Origin

Late 17th century: from Latin rubigo, rubigin- rust + -ous.

Pronunciation:

rubiginous

/rʊˈbɪdʒɪnəs/