An implement for impelling a boat, being a slender piece of timber, usually ash or spruce, with a grip or handle at one end and a broad blade at the other. The part which rests in the rowlock is called the loom.

An oarsman; a rower; as, he is a good oar.

To row.

Instrument for propelling a rowing boat forward.

Also called Letterbox format, OAR means that none of the image is clipped or squeezed. Unused parts of the screen are usually black.

riginal spect atio. The aspect ratio that a particular film was originally intended to be shown in.

Original Aspect Ratio, the aspect ratio originally intended for a film, TV program, or other moving image work.

Original Aspect Ratio (1.85, 2.35, etc) This is the width-to-height aspect ratio. All HDTV programming is at 16x9 OAR. If it is not, it is not considered *true* high definition. If a signal is sent with black bars on the top or bottom (letterboxed), and is still in a 16x9 format, then it is considered HDTV.

Office of Air and Radiation

The Office of AIDS Research, which plans, coordinates, evaluates, and funds all NIH HIV/AIDS research. (Go to AIDS Links to connect to web sites for this and related services and organizations.)

Office of Admissions and Registrar

Office of Admissionss and Records - for information about grades, online registration, application deadlines and requirements.