| NOUN | time | air alert | the time period during which military and civilian agencies are prepared for an enemy / enemy air attack |
|---|---|---|---|
| state | air alert | the condition in which combat aircraft are airborne and ready for an operation | |
| communication | air alert | the warning signal that begins a period of preparation for an enemy / enemy air attack |
| Meaning | The time period during which military and civilian agencies are prepared for an enemy / enemy air attack. | |
|---|---|---|
| Broader | time period, period of time, period | An amount of time |
| Meaning | The condition in which combat aircraft are airborne and ready for an operation. | |
|---|---|---|
| Example | "aircraft in the Mideast are on air alert" | |
| Broader | alert, qui vive | condition of heightened watchfulness or preparation / preparation for action |
| Meaning | The warning signal that begins a period of preparation for an enemy / enemy air attack. | |
|---|---|---|
| Broader | alarm, alert, warning signal, alarum | An automatic signal (usually a sound) warning of danger |
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