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
Candidate hypernym: metallic element: any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc. → 1
Candidate hypernym: acnidosporidia: a subclass of Sporozoa → 0
Candidate hypernym: tonga: the language of the Tongan people of south central Africa (Zambia and Rhodesia) → 0
Candidate hypernym: prostration: abject submission; the emotional equivalent of prostrating your body → 0
Candidate hypernym: airplane: an aircraft that has a fixed wing and is powered by propellers or jets → 0
Candidate hypernym: friend: a person you know well and regard with affection and trust → 0
Candidate hypernym: slender wheatgrass: North American grass cultivated in western United States as excellent forage crop → 0
Candidate hypernym: searchlight: a light source with reflectors that projects a beam of light in a particular direction → 0
Candidate hypernym: bummer: an experience that is irritating or frustrating or disappointing → 0
Candidate hypernym: emergence: the becoming visible → 0
Candidate hypernym: dicot family: family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination → 0