noun
EXAMPLES FROM CORPUS
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But Mr Sandy found it a stimulating, not to say exhausting, tour of duty .
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During a recent three-year tour of duty as a newspaper correspondent in the Middle East I found abundant cause for both.
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He said his tour of duty ended at 10: 45.
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Her tour of duty is almost done.
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I am here for a year, and this is my second tour of duty .
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The two had enjoyed a eight-month affair, but McAllister's tour of duty in Ulster was ending.