— interstitially , adv.
/in'teuhr stish"euhl/ , adj.
1. pertaining to, situated in, or forming interstices.
2. Anat. situated between the cells of a structure or part: interstitial tissue.
n.
3. Crystall. an imperfection in a crystal caused by the presence of an extra atom in an otherwise complete lattice. Cf. vacancy (def. 6).
[ 1640-50; interstiti ( um ) INTERSTICE + -AL 1 ]