What is the English meaning of fluid?
: capable of flowing freely like water. —used to describe something that can change easily or that changes often. : having or showing a smooth and easy style. fluid. noun.
Is the G silent in strength?
So, the “g” is not actually pronounced as a “g,” but it is not a “silent” letter either. It is actually pronounced in words such as “anger” and “linger”—but the same sort of thing does not happen in “strength” and “length” because of the “th” sound that follows immediately after.