anticlinal

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective anticlinal is

inclining or dipping in opposite directions.

In geology|lang=en terms the difference between anticlinal and anticlinorium

is that anticlinal is (geology) consisting of, related to, or part of an anticline while anticlinorium is (geology) a series of parallel anticlinal folds on a regional-scale anticline.

As an adjective anticlinal

is inclining or dipping in opposite directions.

As a noun anticlinorium is

(geology) a series of parallel anticlinal folds on a regional-scale anticline.