ferriidi ja tsementiidilamelne mehaaniline segu, mis moodustub eutektoidmuutuse tulemusena austeniidi lagunemisel (vt austeniit, ferriit, tsementiit; vrd beiniit), aggregate of ferrite and cementite plateles formed by eutectoid decomposition of austenite and simuntaneous transformation into ferrite and cementite (see: austenite, ferrite, cementite; compare: bainite)