1. A musical interval that spans three degrees of diatonic scale

Encyclopedia: Major third

• prolate
• prolate cycloid
• prole
• proleg
• prolegomenon
• prolepsis
• proletarian
• proletariat
• proletariate
• proliferate
• proliferation
• proliferous
• prolific
• prolificacy
• prolifically
• proline
• prolix
• prolixity
• prolixly
• prolixness
• prolocutor
• Prolog
• prologise
• prologize
• prologue