magnum opus /magˈnəm ōˈpəs, magˈnŭm opˈŭs/ (Latin)

1. A great work, esp of literature or learning
2. A writer's greatest achievement or the culmination of his or her efforts

• rouleaus
• rouleaux
• roulette
• roulettes
• roum
• Rouman
• Roumanian
• Roumansch
• rouming
• roumings
• rounce
• rounces
• semi-skimmed
• semi-soft
• semisolid
• semisubmersible
• semitar
• semitaur
• Semite
• semiterete
• Semitic
• Semitic languages
• Semitics
• Semitisation
• Semitise