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Co
The abbreviation
Co
or
CO
may refer to several articles in
Wikipedia
:
chemical symbol for
Cobalt
(Co)
chemical symbol for
Carbon monoxide
(CO)
ISO 3166-1
code for
Colombia
the
U.S. postal
abbreviation for
Colorado
IATA
airline code for
Continental Airlines
Company
Commanding Officer, in the military
Central office
, in
telecommunications
and
telephony
Co is the
UIC classification
for the
railroad
locomotive
wheel arrangement
known as
0-6-0
in the
Whyte notation
; a locomotive with three powered axles (and thus six wheels) in which the axles are independently powered (e.g. by separate traction motors)
Co
is also a
gender-neutral pronoun
.