LGBT stands for "Lesbian, Gay, Bisexual and Transgender/Transsexual."
the abbreviation is w/o
O 2 is the abbreviation for Oxygen.
th/o or, thr/o
There is no formal abbreviation, but people normally use w/o.
Faves.
c/o
c/o
O
C/o
Lake "O"
With = w/ Without = w/o
Much as don't is the abbreviation for do not.The abbreviation o'clock is the short for "of the clock".So you could say: "It is now 12 of the clock" instead of: "It is now 12 o'clock"