East Providence, city (1990 pop. 50,380), Providence co., E R.I., on the Providence and Seekonk rivers; inc. as a city 1958. It has a petrochemical production facility and is a wholesale and distribution center for petroleum products in the S New England area. Other manufactures include metal goods, jewelry, plastics, and machinery. Originally part of Massachusetts, it was organized as a town of Rhode Island in 1862.