axial plane « Back to Glossary IndexDividing two-dimensional line between the two sides of a fold. Synonyms: axis, fold axis, hinge line, axial surfaceRelated Articles: 14 Glaciers15 Global Climate Change4 Igneous Processes and Volcanoes9 Crustal Deformation and Earthquakes13 Deserts« Back to Glossary Index Author: Chris Associate Professor, Salt Lake Community College, Salt Lake City, Utah View all posts by Chris