DICTIONARY OF AUTOMOTIVE TERMS - "Od"

OD
  1. Acronym for Outside diameter
  2. Outer diameter
  3. Overdrive
ODM
Acronym for Output Device Monitor
Odometer
An instrument which measures and registers the number of kilometers or miles a vehicle travels. In automobiles, it is usually located in the same Housing as the Speedometer. Bicycles do not generally come with odometers as standard equipment. Motorcycles usually have the odometer in an instrument housing along with the speedometer for measuring and registering the miles and tenths of a mile (or kilometers and tenths of a kilometer) that the vehicle is driven. Some cars and Motorcycles also have an additional Trip odometer that can be reset to zero for conveniently measuring the miles or kilometers driven during trips or between fuel fillups.
Odor
That property of air contaminants that affect the sense of smell.
ODS
Acronym for Overdrive Drum Speed