Term: rubidium: a soft silvery metallic element of the alkali metal group; burns in air and reacts violently in water; occurs in carnallite and lepidolite and pollucite
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: acnidosporidia: a subclass of Sporozoa
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: tonga: the language of the Tongan people of south central Africa (Zambia and Rhodesia)
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: prostration: abject submission; the emotional equivalent of prostrating your body
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: airplane: an aircraft that has a fixed wing and is powered by propellers or jets
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: friend: a person you know well and regard with affection and trust
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: slender wheatgrass: North American grass cultivated in western United States as excellent forage crop
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: searchlight: a light source with reflectors that projects a beam of light in a particular direction
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: bummer: an experience that is irritating or frustrating or disappointing
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: emergence: the becoming visible
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: dicot family: family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination