olf n. a scientific measure of indoor odor intensity. Etymological Note: olfaction unit, from the Latin olfactus ‘the action or capacity of smelling; the sense of smell.’ Coined by Danish scientist Povl Ole Fanger in 1987. The first cite is his presentation of the term and its meaning to the scientific community. (source: Double-Tongued Dictionary)
Further reading
In the 15th century, the word respair meant “to have hope again.” Although this word fell out of use, it’s among dozens collected in a new book of soothing vocabulary for troubled times. Plus, baseball slang: If a batter...
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