anticline

This term is a technical geological descriptor used primarily in structural geology and stratigraphy. It describes a specific geometry of rock folding where the strata arch upward, creating a shape similar to an uppercase A. This is the opposite of a syncline, where the strata dip downward into a U-shape.

In professional contexts, the term is used to identify potential traps for hydrocarbons, as oil and gas often accumulate in the crest of an anticline. It is rarely used outside of scientific or academic discussions regarding earth sciences.