Definition of Silly Putty in English:

Silly Putty

Syllabification: Sil·ly Put·ty

noun

trademark
A moldable silicone-based substance, sold chiefly as a toy, with remarkable properties of stretching and bouncing.
More example sentences
  • A popular product that uses a silicon-based inorganic polymer is Silly Putty.
  • With over 300 million sold, it's also one of the most loved toys of all time - Silly Putty.
  • In my lecture I tell the story of how Silly Putty was invented (a World War II experiment to create a synthetic rubber gone awry.)

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