petrichor


pet·ri·chor

P5240450 (pĕt′rĭ-kôr′)n.1. The distinctive smell given off by earth, rock, or pavement at the beginning of a rain after a period of warm, dry weather.2. The organic compounds that produce such a smell.
[petr- + ichor (coined in 1964 by Isabel Joy Bear and Richard Grenfell Thomas, Australian geochemists).]

petrichor

(ˈpɛtrɪˌkɔː) na sweet smell that is produced when rain falls on parched earth[C20: from Greek petra stone + ichor ]