** Optical medium, material through which electromagnetic waves propagate

** Self-focusing, an effect due to the Optical Kerr effect ( and possibly higher order nonlinearities ) caused by the spatial variation in the intensity creating a spatial variation in the refractive index

** Self-phase modulation ( SPM ), an effect due to the Optical Kerr effect ( and possibly higher order nonlinearities ) caused by the temporal variation in the intensity creating a temporal variation in the refractive index

** Optical solitons, An equilibrium solution for either an optical pulse ( temporal soliton ) or Spatial mode ( spatial soliton ) that does not change during propagation due to a balance between diffraction and the Kerr effect ( e. g. Self-phase modulation for temporal and Self-focusing for spatial solitons ).

** Optical jukebox

** Optical disc

** Optical disc such as CD, DVD, Blu-ray Disc

** Optical storage

** Optical time domain reflectometer

** Optical disc, commonly a polycarbonate disc

** Journal of the Optical Society of America A, 1984-present, covering research on optics, image science, and vision.

** Journal of the Optical Society of America B, 1984-present, covering research on optical physics

** Optical proximity correction, OPC – up-front compensation for diffraction and interference effects occurring later when chip is manufactured using this mask.

** Optical coherence tomography

** Videodisc / Optical Disk Magazine

** Optical fiber connector

** 15th Optical Unit

** Optical Character Recognition

** Mongnan (; KCC ,< ref name =" khs "> North Korea ) – Optical character recognition software with an alleged success rate of 99 % for printed text and 95 % for handwriting recognition.

** Optical Race ( 1988 )

** Optical spectrum

** Optical character recognition

** Forms Taiwan Nitto Optical Co., Ltd ..

** Forms Optimate Corp., and Shanghai Nitto Optical Co., Ltd .;

** TCP rate control — artificially adjusting TCP window size as well as controlling the rate of ACKs being returned to the sender

** holonym: Y is a holonym of X if X is a part of Y ( building is a holonym of window )

** meronym: Y is a meronym of X if Y is a part of X ( window is a meronym of building )

** on a very tight schedule, as it was planned with a narrow launch window ( 45 days ), leaving little time for inquiries, investigations or recriminations before the launch of Mariner 2.

** Dropshadow – Provides a drop-shadow for every window

** the scala vestibuli ( containing perilymph ), which lies superior to the cochlear duct and abuts the oval window

** the scala tympani ( containing perilymph ), which lies inferior to the scala media and terminates at the round window

** The John Sanders department store ( now a branch of Marks & Spencer ) was the location for the scenes of the Autons breaking through the shop window and beginning their killing rampage in the 1970 story Spearhead from Space.

** Compositing window manager a component of a computer's graphical user interface that draws windows and / or their borders

** the room usually has a large window with one-way glass-participants cannot see out, but the researchers can see in

** Jean René Bazaine, French painter, stained glass window designer and writer ( b. 1904 )

** Okey Meadows Jr., 26, was shot in the neck while purchasing milk and paying for it through a security window at the Go-Mart on U. S. 60.

** Client events are identified by name: for example, < OnCreateWindow_foo > and < OnCreateWindow_bar > will both run when a new window is opened.

** Windows Vista introduced window previews which show thumbnail views of the application in real-time.

** Lancet window, a window set in a lancet arch

** 4-door sedan with a power divider window separating the front seats from the rear bench seat.

** 4-door Pullman limousine with additional two rear-facing seats behind the driver compartment which was separated by a power divider window ( three built ).

** Slab window, a gap that forms in a subducted oceanic plate

** Prisoner Kasim Mehaddi Hilas testifies regarding his experiences at Abu Ghraib, telling investigators that Graner had cuffed him to the bars of a cell window, after Hilas had asked Graner what time it was because he wanted to pray.

** Tooltip – informational window which appears when the mouse hovers over another control

** Radio window

** Infrared window

** The only window that would be available for the Raiders in that situation would be an early game on Fox, likewise with the 49ers on CBS.