English Expression · Intermediate
air line
A pipe or tube supplying air or compressed air
Pronunciation: say air line
Meaning
A pipe or tube supplying air or compressed air.
Example
Air-lines from the reservoirs to supply points are 2-in. bore heavy gauge polythene pipes which are carried underground, embedded in sand.
Air-lines from the reservoirs to supply points are 2-in. bore heavy gauge polythene pipes which are carried underground, embedded in sand.
Practice tips
- Practice air line out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English expression is for intermediate-level learners.