Petrichor
Earthy smell when rain falls on dry soil
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"argillaceous odour", known since 1964 as "petrichor".
The most noticeable component is geosmin, detectable by the human nose at 0.4 parts per billion.
en.wikipedia.org/wiki/Petrichor
The most noticeable component is geosmin, detectable by the human nose at 0.4 parts per billion.
en.wikipedia.org/wiki/Petrichor
It's the aroma of petrichor.
en.wikipedia.org/wiki/Petrichor
en.wikipedia.org/wiki/Petrichor
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