noun A subparallel feature consisting of a central core of undeformed strata, roughly U-shaped in cross section and cigar-shaped in plan, embedded in finer grained material.
noun One division of an actual channel into multiple theoretical channels, one per opening, to represent flow through openings into sidestreams.
noun One of multiple orthorectified images for a single location, each representing a different DEM (digital elevation model).
noun A virtual channel included in the mathematical model of electron collisions to account for excluded states when using the Matrix Effective Potential (MEP) method.
noun Any data channel that is introduced as a theoretical pathway that does not correspond to a physical channel.
noun A theoretical channel representing the pathway by which a chemical agent interacts with a receptor site.