Meaning Of The Word Pack-year
What's the definition of Pack-year? Find Pack-year meanings, definitions and more at the Real Dictionary online.
Pack-year Meaning
| Pack-year Definition |
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What's The Definition Of Pack-year?
pack-year in British English
noun: a measure of the amount of cigarettes a person has smoked over an extended period, equal to one packet of 20 every day for one year |
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