marble
US /ˈmɑːr.bəl/
UK /ˈmɑːr.bəl/

1.
a hard crystalline metamorphic form of limestone, typically white with mottlings or streaks of color, that is capable of taking a polish and is used in sculpture and architecture.
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The statue was carved from a single block of marble.
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The kitchen countertops are made of beautiful white marble.
2.
a small ball of glass or stone used in children's games.
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He won a whole bag of marbles in the game.
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The children were playing with their colorful marbles.
1.
to color or stain (something) to give it a mottled or streaked appearance like that of marble.
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The artist carefully marbled the paper to create a unique pattern.
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The chef marbled the chocolate to give it an attractive swirled effect.