noun
flintstone
noun
1
A stone or pebble made of flint, a hard rock historically used to strike sparks or shape tools.
"Archaeologists found a flintstone arrowhead at the dig site."
How to Use Flintstone
Learner’s notesIn plain EnglishA stone made of flint, the hard rock once used for tools and firelighting.
Word Forms
flintstones plural
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Archaeologists found a _____ arrowhead at the dig site.
Etymology
From Middle English flynt ston, simply combining "flint" and "stone."