noun
drumlin
DRUM-lin/ˈdrʌmlɪn/
A smooth, elongated hill formed by glacial action.
The drumlin has a broad rounded end tapering into a lower, narrower end.
Etymology
The word is a diminutive of a term for a ridge or hill, rooted in “back.” This “little ridge” name became a term for a glacial landform.
More examples
- The map shows a field of parallel drumlins.
- Glacial deposits formed the low drumlin.
- We walked over the rounded crest of the drumlin.
Forms
drumlin · drumlins
Similar words
- moraine
- A moraine is accumulated glacial debris; a drumlin is a particular streamlined hill formed by glacial action.