graben /gräˈbən/ (geology)

A rift valley (qv under rift¹)

• prolated
• prolately
• prolateness
• prolatenesses
• prolates
• prolate spheroid
• prolating
• prolation
• prolations
• prolative
• prole
• proled
• proleg
• prolegomena
• prolegomenary
• prolegomenon
• prolegomenous
• prolegs
• prolepses
• prolepsis
• proleptic
• proleptical
• proleptically
• proler
• proles