valudefekt: väikesemõõtmeline dendriitidevaheline tühik, mis moodustub valuplokis (või valandis) kristalliseerumise protsessis sulametalli mittepiisavast juurdevoolust tingituna, a casting imperfection: microscopic interdendritic void in ingots or castings resulting from contraction during solidification where the opportunity to supply filler material is inadequate to compensate for shrinkage