Company Summary. D & P Associates is located at 281 Willis Rd in Sudbury and has been in the business of Retail - Fast-food Restaurant, Chain since 2002. VERIFIED Status: UNVERIFIED.
Welted definition, a ridge or wale on the surface of the body, as from a blow of a stick or whip. See more.
Princeton's WordNet(4.00 / 1 vote)Rate this definition: 1  filtration(noun) the process whereby fluids pass through a filter or a filtering medium. 2  filtration(noun) the act of changing a fluid by passing it through a filter.