WordNet (r) 3.0 (2006):

GB
    n 1: a highly toxic chemical nerve agent that inhibits the
         activity of cholinesterase [syn: sarin, GB]
    2: a unit of magnetomotive force equal to 0.7958 ampere-turns
       [syn: gilbert, Gb, Gi]
    3: a unit of information equal to 1000 megabits or 10^9
       (1,000,000,000) bits [syn: gigabit, Gbit, Gb]
    4: a unit of information equal to 1000 megabytes or 10^9
       (1,000,000,000) bytes [syn: gigabyte, G, GB]
    5: a unit of information equal to 1024 mebibytes or 2^30
       (1,073,741,824) bytes [syn: gigabyte, gibibyte, G,
       GB, GiB]
    6: an island comprising England and Scotland and Wales [syn:
       Great Britain, GB]

V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

GB
       GigaByte


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

GB
       GuoBao [codepage]


The Free On-line Dictionary of Computing (30 December 2018):

GB

    gigabytes or gigabits - see MB.  Giga stands for
   10^9 - a US billion, or in computing for 2^30.

   The text of a thirty volume encyclopaedia would require about
   one gigabyte of ASCII storage.

   (1997-03-27)


The Free On-line Dictionary of Computing (30 December 2018):

Gb

    Gigabit.  10^9 bits.  Might also be wrongly used for
   gigabyte (GB).

   (1997-03-27)


The Free On-line Dictionary of Computing (30 December 2018):

gb

    (Great Britain) A country code for United
   Kingdom.  "uk" is generally used instead.

   (1999-01-27)