Glossary

Filter:
# A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
O
O&M
Ob
OCR
OEM
OMB
ONA
OPI
OPM
OPT
OR
ORD
OS
OSI
OSU
OTP
OTT
OS
  • Open Skies (Treaty)
  • /O-S/ [Operating System] n. An abbreviation heavily used in email, occasionally in speech.