the weight in pounds of a ream of paper of a basic size, usually 25 × 38 inches (63 × 96 cm) for book stock, 17 × 22 inches (43 × 55 cm) for writing stock, and 20 × 26 inches (50 × 66 cm) for cover stock.
When Did “Fat” Become An Insult?The word fat holds a complicated place in our society. As an adjective, it joins words like tall, hairy, fluffy, or bright. But, unlike those descriptors, fat isn't neutral.
Also called basic weight, basic substance weight.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019