noun🔗SharePiedra pómezA light, porous type of pyroclastic igneous rock, formed during explosive volcanic eruptions when liquid lava is ejected into water or air as a froth containing masses of gas bubbles. As the lava solidifies, the bubbles are frozen into the rock."The geologist carefully examined the piece of pumice, noticing its light weight and many tiny holes. "El geólogo examinó cuidadosamente la pieza de piedra pómez, notando su ligereza y sus muchos agujeros diminutos.geologymaterialsubstancenaturescienceChat with AIVocabulary GamePractice Reading
verb🔗SharePulir con piedra pómezTo abrade or roughen with pumice."She used a pumice stone to pumice the calluses on her feet. "Ella usó una piedra pómez para pulir los callos en sus pies.materialgeologyactionChat with AIVocabulary GamePractice Reading