1. a type of substructure consisting of elongated grains with slightly differencies in orientation; 2. deviation from perfect alignment of parallel arms of a columnar dendrite as a result of interdendritic shrinkage during solidification, 1. allstruktuur, mis koosneb veidi erineva orientatsiooniga väljavenitatud teradest; 2. dendriitsammaskristallide kõrvalekalle perfektsest paralleelsest paigutusest dendriidisisese kahanemise tulemusena