Term: hafnium: a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: voodoo: (Haiti) followers of a religion that involves witchcraft and animistic deities
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: badge: an emblem (a small piece of plastic or cloth or metal) that signifies your status (rank or membership or affiliation etc.)
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: reinforced concrete: concrete with metal and/or mesh added to provide extra support against stresses
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: demineralization: the removal of minerals and mineral salts from a liquid (especially from water)
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: bladderpod: any of several hairy North American herbs having yellow racemose flowers and inflated pods
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: ground stroke: a tennis return made by hitting the ball after it has bounced once
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: criminalism: the state of being a criminal
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: veterinarian: a doctor who practices veterinary medicine
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: mellowness: a soft shade of a color
Broader: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. | Unrelated: dancing: taking a series of rhythmical steps (and movements) in time to music