Wiktionary
                    hypercoaster
                    
                        
                
                                                                    n. megacoaster
WordNet
                    hypercoaster
                    
                        
                
                                                                    n. a roller coaster that goes up 200 feet or higher and can catapult riders from 0 to 70 mph in 4 seconds by motors originally designed to launch rockets
Wikipedia
                    Hypercoaster
                    
                        
                
                                                                    A hypercoaster is any roller coaster with a height or drop measuring greater than . The term was first coined by Arrow Dynamics and Cedar Point with the release of the world's first hypercoaster, the Magnum XL-200, in 1989. Other roller coaster manufacturers later developed their own models: Intamin officially call theirs "Mega Coasters", and Bolliger & Mabillard refer to theirs as "Hyper Coasters". Roller coasters that broke the became known as "giga coasters", while those that broke the became known as "strata coasters".