Definition of octal in English:


Pronunciation /ˈäktl/ /ˈɑktl/


  • Relating to or using a system of numerical notation that has 8 rather than 10 as a base.

    ‘Then convert each of these groups into one octal digit.’
    • ‘Yellowstone, which was announced more than a year ago, uses an octal data rate to deliver data rates up to a theoretical maximum of 3.2 Gbits/s.’
    • ‘To use an access server, you'll need an octal cable.’
    • ‘All he needs is an octal cable to connect his AS to the other devices we choose to use, and he's all set.’
    • ‘Access servers are devices with an asynchronous port that an octal cable can connect to.’


  • The octal system; octal notation.

    ‘the calculation should be done in binary or octal’
    • ‘About the only thing this calculator lacks is the ability to switch from decimal to hex to octal to binary.’
    • ‘We were taught to convert the usual base 10 into base 6 into base 4, into binary, into octal etc.’
    • ‘Working on networks, I find there's always a need to convert between decimal, hexadecimal, octal and binary.’
    • ‘In addition to binary and decimal, computers can also speak in octal and hex.’