Wiktionary
absorbent paper
n. A soft paper especially made for the absorbing of liquids.(R:MW3 1976: page=6)
Usage examples of "absorbent paper".
Bierce tore off a piece of absorbent paper, leaned across to a stainless-steel sink and dampened the paper.
She kicks off the consensus-defined floor and grabs a wad of absorbent paper from the spinner, whacks it across the ventilator shroud above the sump.
Offspring of the early instrument packets shot off to Earth's neighboring planets to analyze and report back by radio on their life forms, it had also done away with much of the time and tedious labor cost needed to map a gene pattern when all the researchers had to work with before its advent were bits of absorbent paper and a photographic plate exposed to a diffracted X-ray.