fit factor

Fetched 2026-10-26 (cache).

Synonyms: f factor, unit factor, fill factor

Antonyms: f factor, unit factor, fill factor

Related words from Datamuse; suggestions, not definitions.

Noun

1. A [[quantitative]] [[metric]] that measures how well a particular [[mask]] or [[respirator]] fits to a specific individual's [[face]], defined as the [[ratio]] of the [[ambient]] [[concentration]] of [[aerosol]] [[particles]] to the concentration within the [[facepiece]] during use.

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