Mephedrone comes as a white, off-white, creamy or yellowish powder.

What looked like flour-sacks were piled in one section of it, and the floor was dusted with yellowish powder.

When the water had reached its highest possible level, Myra sprinkled the yellowish powder on the surface.

Brandy was like milk compared to the loathsome yellowish brown powder in that little jar of odd-shaped glass.

At room temperature and pressure, the compound is an odordess white or light yellowish powder.

The yellowish powder inside the seed pods is sweet and can be eaten without preparation but is also made into a drink.

His teeth had disintegrated into a nasty yellowish powder that filled his throat.

Instead of tobacco, flakes of a yellowish powder poured on the table.

The drained fluid is allowed to dry and the resulting yellowish powder is used in the preparation of various foods.

Like cocaine and speed, mephedrone comes as a white or yellowish powder.