See Also: lutetium(medicine)
lutetium(dictionary)

lutetium (iou)



lutetium noun. Also (earlier, now rare) lutecium. E20.
[French lutecium, from Lutece Latin Lutetia: see LUTETIAN, -IUM.]
A metallic chemical element, atomic no. 71, that is the heaviest member of the lanthanide series. (Symbol Lu.)