1. A polyvalent metallic element that resembles chromium and tungsten in its properties; used to strengthen and harden steel
   - molybdenum, Mo

Type of: metal, metallic element

Part of: molybdenite

• knowledgeably
• Knowlton's cactus
• known
• Knox
• Knoxville
• knuckle
• knuckle down
• knuckle duster
• knuckle joint
• knuckle sandwich
• knuckle under
• knuckleball
• knucklebones
• knucklehead
• knuckler
• knuckles
• knucks
• knur
• knurl
• knurled
• Knut
• Knut Hamsun
• Knut Pedersen
• KO
• KO punch