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Noun: octad  ók-tad
  1. The cardinal number that is the sum of seven and one
    - eight, 8, VIII, eighter, eighter from Decatur, ogdoad, octonary, octet

Derived forms: octads

Type of: digit, figure

Nearest

Ockham
Ockham's Razor
o'clock
oconee bells
O'Connor
ocotillo
OCR
Oct
oct-
octa-
octad
octadecanoic acid
octagon
octagonal
octahedral
octahedron
octal
octal digit
octal notation
octal number system
octal numeration system