1. nearly parallel but not exactly parallel
Usage: technical; geology

Examples

• The rock layers showed subparallel striations from ancient glacial movement.
• The geologist noted the subparallel fractures in the cliff face.
• Subparallel lines in the sediment indicated consistent water flow patterns.
• The mountain ridges run in a subparallel direction to the coast.
• Under the microscope, the mineral crystals displayed subparallel alignment.
• The fault lines were subparallel to the main geological structure.