octal

adjective
oc·tal | \ˈäk-tᵊl \

Definition of octal 

: of, relating to, or being a number system with a base of eight

First Known Use of octal

1801, in the meaning defined above

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The first known use of octal was in 1801

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More from Merriam-Webster on octal

Nglish: Translation of octal for Spanish Speakers

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