The opening between the interfacings of the warp and filling yarns; i.e. the voids in the fabric.

Spaces or openings in a medium. Also referred to as pores or voids. Usually refers to those voids contained in adsorptive media such as Carbon, Fuller's Earth etc. Available area for adsorption on or within a particle then must take into account not only the surface area but also that area within the particle due to the interstices or voids.

crack, crevice, chink, a narrow space between the parts of a body or things close together.

Voids or valleys between individual strands in a conductor or between insulated conductors in a multi-conductor cable during extreme flexing.