molybdenum
Cross references: 1. element mo.lyb.de.num \-n*m\ n [NL, fr. molybdena, a lead ore, molybdenite, molybdenum, fr. L molybda]ena galena, fr. Gk molybdaina, fr. molybdos lead : a polyvalent metallic element that resembles chromium and tungsten in ma ny properties and is used in strengthening and hardening steel