roughen

Red whirls on this rabbit’s tongue are filiform papillae, which roughen the tongue and help move food around the mouth.

The general idea is that ground surfaces roughen after the mass movement of rocks and soil, so that landslide deposits are the roughest right after the landslide occurs and become smoother over time.

The goal is to roughen up the surface so the paint adheres to the old polyurethane coat.

“Doesn’t the scramble for milk constitute a sufficient incentive to transcend formalities and roughen out the edges in order to form a government?”

To have it reflect our current situation, we need to roughen it up.