intercrystalline

[ in-ter-kris-tl-in, -ahyn, -een ]
/ ˌɪn tərˈkrɪs tl ɪn, -ˌaɪn, -ˌin /

adjective Crystallography.

situated or passing between the crystals of a substance.
Compare transcrystalline.

Origin of intercrystalline

First recorded in 1900–05; inter- + crystalline