gyro-

a combining form meaning “ring,” “circle,” “spiral,” used in the formation of compound words: gyromagnetic; gyroscope.
Also especially before a vowel, gyr-.

Origin of gyro-

< Greek gŷros ring, noun use of gȳrós round

Words nearby gyro-

gyri insulae, gyro, gyro horizon, gyro pilot, gyro repeater, gyro-, gyrocompass, gyrocopter, gyrodyne, gyrofrequency, gyroidal

British Dictionary definitions for gyro-

gyro-

before a vowel gyr-

combining form

indicating rotating or gyrating motion gyroscope
indicating a spiral
indicating a gyroscope gyrocompass

Word Origin for gyro-

via Latin from Greek guro-, from guros circle