Definitions | pumice |
| noun
- A light, porous type of pyroclastic igneous rock, formed during explosive volcanic eruptions when liquid lava is ejected into the air as a froth containing masses of gas bubbles. As the lava solidifies, the bubbles are frozen into the rock.
Translations: Etymology: From pumiceLatin, pÅmice, the ablative of pumex, pÅmex "a pumice stone"
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