While the lake is the largest man-made lake around, some say it is not the state's largest lake, because some of it is in Ohio. The dam that formed the lake on the Shenango River was completed in 1934. The largest man-made lake built by the Army Corps of Engineers in Pennsylvania is Raystown Lake.
postulate (plural postulates) 1  Something assumed without proof as being self-evident or generally accepted, especially when used as a basis for an argument. 2  A fundamental element; a basic principle. ( 3 logic) An axiom. 4  A requirement; a prerequisite.
posturingnoun [ U ] uk â /ËpÉs.tÊÉr.ÉªÅ/ us â /ËpÉËs.tÊÉ.ÉªÅ/ disapproving. âº behaviour or speech that is intended to attract attention and interest, or to make people believe something that is not true: His writing has been dismissed as mere intellectual posturing. Thesaurus: synonyms and related words.