(n) (comp) auto-increment
(n) automatic transmission
(n) oatmeal cookie
(n) (comp) automatics
(n) (comp) overclocking
(n) super technology (wasei: over technology)
technology beyond our current capabilities; mainly in science fiction
(n) overnight bag
(n) overhand throw
(n) (comp) overflow error
(n) (comp) overflow route
(n) overhead kick
(n) overhead throw
(n) overborrowing
(n) overloading
(n) (comp) overlay routing
(n) opening number
(n) (comp) open-end wrench
(n) open caption
(n) (comp) OpenClient
(n) open sandwich
(n) open system hospital
(n) (comp) open source vendor
open source company
(n) (comp) open source code
(n) open display
(n) (comp) open network
(n) type of scuba fin with an open heel, also called "adjustable fins"
(n) (comp) open file description
(n) open planning
(n) open-reel tape
(n) open tournament