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basis weight

noun
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Definition of basis weight

1 : the weight in pounds of a 500-sheet ream of paper cut to a basic size

— called also basic weight, substance, substance number

2 : the weight of a sheet of paper expressed in terms of the weight of a ream of that paper

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“Basis weight.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/basis%20weight. Accessed 30 Nov. 2021.

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