Term: radioisotope: a radioactive isotope of an element; produced either naturally or artificially
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: telpher: one of the conveyances (or cars) in a telpherage
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: bok choy: Asiatic plant grown for its cluster of edible white stalks with dark green leaves
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: hacienda: the main house on a ranch or large estate
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: sulkiness: a sullen moody resentful disposition
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: cortinarius gentilis: a poisonous fungus with a bright yellow brown cap and a long cinnamon colored stalk
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: oil burner: a furnace that burns oil
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: seamount: an underwater mountain rising above the ocean floor
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: sclerotinia: any fungus of the genus Sclerotinia; some causing brown rot diseases in plants
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: tickseed sunflower: North American bur marigold with large flowers
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: cagoule: lightweight parka; waterproof