noun🔗ShareThe distinctive scent, caused by geosmin, which accompanies the first rain after a long, warm, dry spell."After weeks of sunshine, the first drops of rain released a strong petrichor from the dry earth, a smell everyone had been longing for. "natureenvironmentgeologyweathersensationsciencechemistryChat with AIVocabulary GamePractice Reading
noun🔗ShareThe yellow organic oil that yields this scent."The petrichor, a yellow oil from the dry earth, filled the air after the rain stopped. "substancechemistrynatureenvironmentmaterialgeologyscienceChat with AIVocabulary GamePractice Reading