1. Sloping downward away from a common crest

Antonym: synclinal

• materialist
• materialistic
• materialistically
• materiality
• materialization
• materialize
• materially
• materialness
• materials handling
• materiel
• maternal
• maternal language
• maternal quality
• maternal-infant bonding
• maternalism
• maternalistic
• maternally
• maternity
• maternity hospital
• maternity ward
• mates
• mateship
• matey
• math
• math teacher