Reference meaning
petrichor
Last updated
The distinctive scent, caused by geosmin, which accompanies the first rain after a long, warm, dry spell.
Other meanings
2. noun
The yellow organic oil that yields this scent.
Source and scope
This definition is reproduced from English Wiktionary, sense en-petrichor-en-noun-xd9J58-i, under the CC BY-SA 4.0. It has not yet received VocabularyBase editorial review. Read the source and license details.