noun
- plural of syncline; downward folds in rock layers where the youngest rocks are in the center
Usage: geology
Examples
- The geologist identified several synclines in the mountain range.
- Oil deposits are often found in synclines where petroleum has collected.
- The valley was formed by a series of synclines in the bedrock.
- Students learned to distinguish between synclines and anticlines on the geological map.
- The synclines in this region contain important coal seams.
- Erosion has exposed the synclines, revealing layers of sedimentary rock.