-nt adjective
Etymology: Late Latin protuberant-, protuberans, present participle of protuberare to bulge out
1. : bulging beyond the surrounding or adjacent surface : prominent
a protuberant joint
protuberant eyes
2. : forcing itself into consciousness : obtrusive
one of the most protuberant facts of the history of the past twenty years — Elmer Davis
• pro·tu·ber·ant·ly adverb