Definition of "octal" in English

noun

1. (arithmetic, computing, uncountable) The number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.

2. (arithmetic, computing, countable) A digit or value in the octal number system.

adjective

1. (arithmetic, computing) Concerning numbers expressed in octal or mathematical calculations performed using octal.