Definitions for octalˈɒk tl
Random House Webster's College Dictionary
of or pertaining to a number system with base 8, employing the numerals 0 through 7.
Category: Computers, Math
Origin of octal:
1935–40; < L oct(ō) or Gk okt(ṓ) eight+ -al1
of or pertaining to a number system having 8 as its base
"an octal digit"
The number system that uses the eight digits 0, 1, 2, 3, 4, 5, 6, 7.
Concerning numbers expressed in octal or mathematical calculations performed using octal.