Term: quartz: a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: cancan: a high-kicking dance of French origin performed by a female chorus line
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: djiboutian: a native or inhabitant of Djibouti
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: genus lobelia: in some classifications considered the type genus of a separate family Lobeliaceae
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: inferiority: the quality of being a competitive disadvantage
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: ajaia: a genus of Platalea
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: verse: a piece of poetry
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: air raid: an attack by armed planes on a surface target
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: defroster: heater that removes ice or frost (as from a windshield or a refrigerator or the wings of an airplane)
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: order: (biology) taxonomic group containing one or more families
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: work animal: an animal trained for and used for heavy labor