The term BY PIXEL PIXEL can be broken down into three crossword solutions: MORPH (5 letters), SNOW (4 letters), and DOT (3 letters). MORPH is a verb meaning to change or transform in form or appearance. SNOW is a type of precipitation that falls from the sky in the form of white flakes. DOT is a small, round mark used to indicate a point in writing or printing. Together, these three words describe the process of transforming an image by adding small dots to it, which is commonly known as pixelation.