- The operator O is the null operator.
- They are computer operators.
- monitor operator
- It is a major operation. It is a very messy operation.
- Has operator received pump instruction and operations manual?
- pit in the earth
- To cover with pockmarks;pit.
- La Brea Tar Pits
- The ground was pitted by the heavy rain.
- The pit is ventilated by a steel fan.