pedernal angolul

chert [cherts]▼(mineral)
noun
[UK: ˈtʃɜːt] [US: ˈtʃɝːt]

flint [flints]▼(hard fine-grained quartz which generates sparks when struck)
noun
[UK: flɪnt] [US: ˈflɪnt]He struck a spark from the flint. = Sacó una chispa del pedernal.