Definitions for "antiform"
Keywords:  anticline, strata, convex, oldest, fold
an anticline-like (convex upward) fold in metamorphic rock, in rock where it is not known which layers are older, or in rock in which the beds do not follow the normal order of strata in an anticline
A fold in which the limbs dip away from the axis of the fold. If the oldest rocks are in the central core, it is called an Anticline.
An anticline-like structure.