Anticline (noun)

In geology, a fold in rock layers that forms a convex upward arch.

Origin:

From greek anti- "opposite" + klinein "to lean".

Examples:

1. Oil and gas are often found trapped in anticlines.
2. The anticline was formed by the uplift of the rock layers.
3. Anticlines are often found in areas of mountain building.
4. The rock layers in an anticline are typically older in the center and younger towards the edges.
5. The anticline was a result of a collision between two tectonic plates.