"where as" can be considered as since , meanwhile. "Where as" and "whereas" doesn't means the same. "Where as" are two seperated words grouping together in forming one meaning. whereas means: - while in contrast: while on the other hand - because: for the reason that - connects series of clauses: used to introduce each clause in a series

Hello Gamini, It is better to form the question asking "When is "where as" used?" "where as" could have the following meanings: - "considering that" ,.."since" .... It is used here as a preliminary introduction as a basis for affirmative statements, commands or requests.This meaning is used mostly in formal documents. - It is more often used as a conjunction opposing a preceding statement in the sense of " but on the other hand" or "while on the contrary". If the succeeding statement is not opposing it ,at least it is a different statement. Example: He likes to stay at home whereas she prefers to go out with her friends. Here it is a recognition of 2 facts that are not opposing but of a different nature * staying at home versus going out*.

It is only one word: "whereas". It means: "while on the contrary". Or sometimes: "considering that". Example: "I like cold weather, whereas my wife prefers hot weather.