Longman Dictionary of Contemporary English
WordNet
n. soap in powdered form mixed with alkaline builders [syn: built-soap powder, washing powder]
Usage examples of "soap powder".
Instead, I went to the sink nearest me, the one in the autopsy suite where there was a metal dispenser filled with the same grainy, gray soap powder used throughout the rest of the building.
I ain't some fucking traveling salesman peddling a new kinda soap powder.
I have to have detergent for the dishwasher and washing machine, soap powder, paper napkins, toilet paper.
With his anxious, lined, somewhat petulant face, and his brushed-forward blue-grey hair, Paul looked like one of those once-famous television personalities who eke out a middle-aged existence advising housewives to buy soap powder in television commercials.