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flint

PRIMARY MEANINGS OF: flint

1
n
a hard kind of stone; a form of silica more opaque than chalcedony
2
adj
showing unfeeling resistance to tender feelings
FULL DEFINITIONS OF: flint
1

n a hard kind of stone; a form of silica more opaque than chalcedony

Types:
gunflint
the piece of flint that provides the igniting spark in a flintlock weapon
firestone
a piece of flint that is struck to light a fire
flintstone
pebbles of flint used in masonry construction
Type of:
silica, silicon dioxide, silicon oxide
a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite
2

adj showing unfeeling resistance to tender feelings

Synonyms:
flinty, granitic, obdurate, stony
hardhearted, heartless
lacking in feeling or pity or warmth
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