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Masonite Line breaks: Mason|ite
Pronunciation: /ˈmeɪsənʌɪt/

Definition of Masonite in English:


[mass noun] North American trademark
Fibreboard made from wood fibre pulped under steam at high pressure: [as modifier]: quality Masonite boards
More example sentences
  • Working often on Masonite or other board, and occasionally even on cardboard when he lacked funds, he would lay down a warm, dark tone, sometimes simply a coat of shellac, on which to paint.
  • Since the shelves would have to support a good amount of weight, I cut Masonite rather than foam board to fit tightly into them.
  • Now, each student used their transparency to project onto their prepared Masonite panel.


1920s: from the name of the Mason Fibre Co., Mississippi, US, + -ite1.

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