noun
basis weight; ream weight
Technical term in paper manufacturing and printing; refers to the weight of a ream (typically 1000 sheets) of paper, used to indicate paper thickness or density.
このコピー用紙の連量は70kgです。
The basis weight of this copy paper is 70 kg.
連量が大きいほど紙は厚くなります。
The higher the basis weight, the thicker the paper.