eutektoidsest koostisest suurema komponendisisaldusega ja tasakaaluolekus struktuuris eutektoidi sisaldav sulam (vt eutektoid, eutektoidsulam; vrd alaeutektoidsulam), in an alloy system exibiting a eutectoid, any alloy whose composition has an excess of alloying elements compared with the eutectoid composition and whose equilibrium microstructure contains some eutectoid structure (see: eutectoid, eutectoid alloy; compare: hypoeutectoid alloy)