Flint

geographical name

1
river 265 miles (426 kilometers) long in western Georgia flowing south and southwest into Lake Seminole
2
city in southeast central Michigan north-northwest of Detroit population 102,434
3
or Flintshire
ˈflint-ˌshir How to pronounce Flint (audio)  
-shər
administrative area of northeastern Wales bordering England and the Irish Sea area 169 square miles (438 square kilometers), population 152,506

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It Isn't Hard to Learn the Meaning of Flint

A somewhat impure variety of quartz, flint is usually gray to brown or nearly black in color. It is very hard, producing a spark when struck with steel. Flint provided one of the main sources of tools and weapons for Stone Age people. It is used today as an abrasive agent on sandpapers and in mills that grind raw materials for the ceramic and paint industries.

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Cite this Entry

“Flint.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Flint. Accessed 11 Jun. 2026.

Kids Definition

flint

noun
1
: a hard dark quartz that produces a spark when struck by steel
2
a
: a piece of flint
b
: an alloy (as of iron and cerium) used for producing a spark in lighters
3
: something very hard
a heart of flint
flintily
ˈflint-ᵊl-ē
adverb
flintiness
ˈflint-ē-nəs
noun
flinty
adjective
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