olf
noun
olf is a noun meaning “A unit measuring the strength of an olfactory pollution source as detected by an average adult in typical conditions” (English Wiktionary, September 2026). It is spelled O-L-F, and it appears about once in every 14 million words in written English (wordfreq, 2021 data). The plural of olf is olfs.
What does olf mean?
noun
- 1
A unit measuring the strength of an olfactory pollution source as detected by an average adult in typical conditions.
- 2
The European bullfinch.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Forms of olf
- olfs plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
How common is olf?
Olf appears about once in every 14 million words in written English, the 113,022nd most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
Where does olf come from?
From Latin olfactus (“smelled”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).