ADJ.
large, numeral
OCTAL + NOUN
system
noun
The number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.
A digit or value in the octal number system.
adj
Concerning numbers expressed in octal or mathematical calculations performed using octal.
Octal paid a large grant for the researchers to carry out some market research.
The octal numeral system uses the digits 0 to 7, and is the base-8 number system.