Term: roller coaster: elevated railway in an amusement park (usually with sharp curves and steep inclines)
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: keratoscleritis: inflammation of the cornea and sclera of the eye
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: flag captain: the captain of a flagship
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: harmonica: a small rectangular free-reed instrument having a row of free reeds set back in air holes and played by blowing into the desired hole
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: connection: an instrumentality that connects
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: dustiness: the state of being covered with dust
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: bidder: someone who makes a bid at cards
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: stranger: an individual that one is not acquainted with
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: yemeni rial: the basic unit of money in Yemen; equal to 100 fils
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: venture capitalism: capitalism that invests in innovative enterprises (especially high technology) where the potential profits are large
Broader: abstraction: a general concept formed by extracting common features from specific examples | Unrelated: distress: a state of adversity (danger or affliction or need)