mikroskoopiliselt määratav dentriitidevaheline, tardumiskahanemisest vedelmetalli ebapiisava juurdevoolu tingimustes põhjustatud poorsus (vt kahanemispoorsus; vrd kahanemismakropoorsus), a casting imperfection, not detectable macroscopically, consisting of interdendritic voids; microshrinkage results from contraction during solidification where the opportunity to supply filler material is inadequate to compensate for shrinkage (see: solidification shrinkage; compare: macroshrinkage)