(n) orchestra pit
(n) (comp) authoring software
(n) (comp) authoring tool (WWW)
(n) (1) orgy party
(2) Australian (Aussie) party
(n) Aboriginal languages (of Australia)
(n) authenticity
(n) order entry
(n) personalized medicine (wasei: order-made medicine)
(n) personalized medicine (wasei: order-made medicine)
(n) orchard grass
(n) (comp) ODBC
(n) audio clip
(n) audiometer
(n) (comp) autoscaling
(n) auto-changer (tape recorder)
(n) (comp) auto-decrement
(n) autopoiesis
(n) owner-driver
(n) owner-pilot
(n) overaction
(n) overhand pass
(n) (comp) overflow indication
(n) overbooking
(n) overpresence
(n) overhead pass
(n) (comp) overhead time
(n) orphan drug
(n) oven toaster
toaster oven
(n) opening game
(n) open ticket