What is the definition of Pumice-stone? | Dictionary.net

PUMICE-STONE

\pjˈuːmɪsstˈə͡ʊn], \pjˈuːmɪsstˈə‍ʊn], \p_j_ˈuː_m_ɪ_s_s_t_ˈəʊ_n]\

Definitions of PUMICE-STONE

1895 - Glossary of terms and phrases

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[L.] (Geol.) A felspathic lava, light, grey, rough, fibrous, spongy from the action of the escaping steam; chemically agreeing with obsidian (q.v.).

1895 - Glossary of terms and phrases
By Henry Percy Smith

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