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(jÄ«â²rÉ-skÅpâ²) An instrument consisting of a disk or wheel that spins rapidly about an axis like a top. The spinning motion keeps the axis fixed even if the base is turned in any direction, making the gyroscope an accurate navigational instrument and an effective stabilizing device in ships and airplanes.
An otoscope, also known as an auriscope, is a type of medical instrument that a healthcare professional uses to examine the inside of a patient's ears. This is done as part of physical examinations and whenever there is a concern regarding hearing or ear health in general.