ˈdīəˌstem noun
( -s )
Etymology: Late Latin diastema, from Greek diastēma interval, from diistanai to separate — more at diastase
1. : an interval in ancient Greek music
2. : diastema 1
3. : a minor interruption in sedimentation with little or no erosion before deposition is resumed — compare disconformity , unconformity
• di·a·stem·ic |dīə|stemik adjective