If you want to know the record holder for the highest IQ in the world, then you're in the right place. Although many people think it's Steven Hawking with an IQ of slightly over 200, or Marilyn vos Savant with and IQ of 228. We want to mention that results of IQs can vary from test to test and by age.
One car passes another at breakneck speed. adjective. The definition of breakneck is something that is moving really, dangerously fast. Driving at 100 miles per hour is an example of driving at breakneck speed. very fast, reckless, dangerous, etc.: said of speed, pace, etc.
subsonic: A vehicle that is traveling slower than the speed of sound (M. supersonic: sound barrier: The term sound barrier is often associated with supersonic flight. In particular, breaking the sound barrier is the process of accelerating through Mach 1 and going from subsonic to supersonic speeds.asic Definitions: speed of sound: The speed of sound is a basic property of the atmosphere that changes with temperature. For a given set of conditions, the speed of sound defines the velocity at which sound waves travel through a substance, such as air.