gigacycle

[ gig-uh-sahy-kuh l, jig- ]
/ ˈgɪg əˌsaɪ kəl, ˈdʒɪg- /

noun

one billion cycles. Abbreviation: Gc

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Origin of gigacycle

First recorded in 1955–60; giga- + cycle
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020