Burn a bit is a term used to describe the process of applying heat to an object in order to alter its physical properties. The four crossword solutions for this term are CHAR, SCORCH, SEAR, and SINGE. CHAR is the process of burning something until it is completely blackened and charred. SCORCH is the process of burning something lightly or superficially. SEAR is the process of burning something quickly and intensely. SINGE is the process of burning something lightly or superficially with a flame.