guess - definition of guess by the Free Online Dictionary, Thesaurus and Encyclopedia.
"This is especially true when dealing with electron flow in circuits! 
" - If you didn't mean in a literal sense, then perhaps. :thumbsup2: I can understand how making a guess and making an assumption might be different for someone, but conceptually and not theoretically, these are closely related.
Whether it is in the definition or not however, like you, I too think they are somewhat different. Assumption sounds like a guess that someone has made which has turned to a "fact" somehow, whereas a guess might stay as a guess, and the person admitting making that guess may be more apt to understand that it is a guess and may not be fact by common logic.
:beerchug2:
