Definitions
petrichor Tweet Definition of petrichor Like Definition of petrichor on Facebook
noun 
  1. The scent of rain on dry earth.
  2. The yellow organic oil that yields this scent.
Etymology: From Greek (petros, stone) + á (ichor, ichor), thus "rock-essence." The term was coined by two Australian researchers in 1964 for an article in the journal Nature.


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