extracrystalline en · ADJ
Etymology
From extra- + crystalline.
Meanings
-
(not-comparable) Pertaining to the outer surface of a crystal.
Also present are extracrystalline cations compensating for fixed anionic lattice sites at the extracrystalline surface of the zeolite.
1994, M. Stöcker, H.G. Karge, J.C. Jansen, Advanced Zeolite Science and Applications, page 550:extracrystalline water
The response curve for a liquid phase ZLC system has approximately the form of a two time-constant process with the faster process corresponding to the convective washout of the extracrystalline fluid (purging of the cell and detector) and the slower process corresponding to the desorption process.
2012, Jörg Kärger, Douglas M. Ruthven, Doros N. Theodorou, Diffusion in Nanoporous Materials, page 499: