| COO | elected Vice President and succeeded as 30th President of the United States when Harding died in 1923 (1872-1933) |
|---|---|
| COO | an offensive name for an unskilled Asian laborer |
| COO | a mechanism for keeping something cool |
| COO | the process of becoming cooler |
| COO | providing coolness |
| COO | a mechanism for keeping something cool |
| COO | equipment in a motor vehicle that cools the engine |
| COO | a cooling system used in industry to cool hot water (by partial evaporation) before reusing it as a coolant |
| COO | in a composed and unconcerned manner |
| COO | a lack of affection or enthusiasm |
| COO | fearless self-possession in the face of danger |
| COO | the property of being moderately cold |