noun🔗SharePedernalMassive, usually dull-colored and opaque, quartzite, hornstone, impure chalcedony, or other flint-like mineral."The arrowhead found in the field was made of a dark brown chert. "La punta de flecha encontrada en el campo estaba hecha de pedernal marrón oscuro.geologymineralmaterialsubstanceChat with AIVocabulary GamePractice Reading
noun🔗ShareUna herramienta similar al pedernal hecha de chertA flint-like tool made from chert."The archaeologist carefully brushed the dirt off the chert she found, recognizing it as a tool used by early humans. "La arqueóloga cepilló cuidadosamente la tierra del chert que encontró, reconociéndolo como una herramienta utilizada por los primeros humanos.archaeologygeologymaterialChat with AIVocabulary GamePractice Reading