megacycle

[ meg-uh-sahy-kuhl ]

noun

Electricity. a unit of frequency, equal to one million cycles per second; megahertz. The term megahertz is now preferred in technical use. Abbreviation: Mc, mc

Origin of megacycle

First recorded in 1925–30; mega- + cycle

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

For protons, the frequency at the start of acceleration is 36 megacycles (Mc).
LRL Accelerators | Lawrence Radiation Laboratory

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