1. The spaces or regions between fibers in a material, fabric, or composite structure.
Usage: technical; plural form; singular is 'interfiber'

Examples

• The interfibers in the composite material allow for better resin penetration.
• Moisture can accumulate in the interfibers of tightly woven fabrics.
• Engineers studied the interfibers to improve the strength of the textile.
• The interfibers between the carbon fibers were filled with epoxy resin.
• Air pockets in the interfibers can affect the overall durability of the material.