1) Attrition 2) Corrasion 3) Deflation 4) Detrition 5) Eating 6) Erodent 7) Erosion 8) Planation 1) Becoming weaker 2) Corroding 3) Crumbling away 4) Eating away 5) Erosion 6) Geologic process 7) Geological process 8) Gradually disappearing 9) Like some coastlines 10) Losing ground 11) Rusting 12) Washing away 13) Wearing 14) Wearing away 15) Wearing thin 16) Whittling away 
• (p. pr. & vb. n.) of Erode