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fullerboard

noun
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ful·​ler·​board

Definition of fullerboard

: a paperboard which may be pressed into various forms and used as an electrical insulator in low-voltage work

— called also pressboard

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History and Etymology for fullerboard

probably from the name Fuller

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“Fullerboard.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fullerboard. Accessed 23 Jan. 2021.

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