pack-year

Noun

 * 1)  A unit for estimating the number of cigarettes a person has smoked previously; it is calculated by multiplying the average number of packs (each containing 20 cigarettes) the person smokes per day by the number of years the person has smoked.

Translations

 * French: paquet-année
 * German: Packungsjahr
 * Hungarian: csomagév, dobozév
 * Italian:
 * Portuguese:
 * Romanian: pachet-an
 * Russian:
 * Spanish: