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megacycle

[meg-uh-sahy-kuh l]
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noun
  1. 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
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Origin of megacycle

First recorded in 1925–30; mega- + cycle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Word Origin and History for megacycle

n.

1928, from mega- + cycle (n.).

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Online Etymology Dictionary, © 2010 Douglas Harper

megacycle in Medicine

megacycle

(mĕgə-sī′kəl)
n.
  1. megahertz