Learn a Word Daily — Petrichor
Your Word of the Day — Petrichor: definition, nuance, usage & audio.
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Word of the Day · November 19, 2025
Petrichor
PEH-trih-kor · noun
 

Definition

  1. The pleasant earthy smell after rain.
  2. Aroma produced when raindrops release soil-borne compounds.
 

Pronunciation

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Origin & Etymology

Coined (1960s) from Greek petra “stone” + ichor “fluid of the gods.”
 

Nuance

Modern coinage; conveys sensory nostalgia and freshness.
 

Usage

“Petrichor rose from the garden as the storm passed.”
 

Fun Fact

Caused by geosmin and plant oils released into the air by raindrops.