pack-year

Fetched 2026-10-26 (cache).

Synonyms: pack year

Antonyms: pack year

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|medicine|smoking}} A [[unit of measure]] for [[estimate|estimating]] the number of [[cigarette]]s a person has previously [[smoke]]d, equivalent to average number of [[pack]]s (each containing 20 cigarettes) smoked per day multiplied by the number of years the person has smoked.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.