Term: radioisotope: a radioactive isotope of an element; produced either naturally or artificially
Broader: part: something determined in relation to something that includes it | Unrelated: kidney fern: large fern of New Zealand having kidney-shaped fronds
Broader: part: something determined in relation to something that includes it | Unrelated: head cabbage: any of several varieties of cabbage having a large compact globular head; may be steamed or boiled or stir-fried or used raw in coleslaw
Broader: part: something determined in relation to something that includes it | Unrelated: arbor: a framework that supports climbing plants
Broader: part: something determined in relation to something that includes it | Unrelated: bathyscaphe: navigable deep diving vessel for underwater exploration
Broader: part: something determined in relation to something that includes it | Unrelated: court: an area wholly or partly surrounded by walls or buildings
Broader: part: something determined in relation to something that includes it | Unrelated: three-year-old horse: a racehorse that is three years old
Broader: part: something determined in relation to something that includes it | Unrelated: newsagent: someone who sells newspapers
Broader: part: something determined in relation to something that includes it | Unrelated: mouthpiece: the aperture of a wind instrument into which the player blows directly
Broader: part: something determined in relation to something that includes it | Unrelated: cable car: a conveyance for passengers or freight on a cable railway
Broader: part: something determined in relation to something that includes it | Unrelated: garrison: the troops who maintain and guard a fortified place