pack-year
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
Nearby words
pack them in, pack up, pack wall, pack-horse, pack-rat, pack-year, packable, package, package deal, package store, package tour
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012