ultra-

Latin

beyond, extremely

Prefix · means "beyond, extremely"

Roots often paired with ultra-

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Electromagnetic radiation with wavelengths shorter than visible light; ultraviolet light

Extremely light in weight; a very lightweight aircraft

Of sound frequencies above the range of human hearing

Extremely portable; a very compact and lightweight device

Beyond the physical world; extraordinary

Extremely efficient with minimal waste

The science and technology of ultrasound