raw

Definition: Adjective: (1) ~ file, ~ scan: computer file or scan data prior to its manipulation e.g. to convert it into a certain format; to convert from scanned 42-bit data into a 24-bit image file. (2) ~ data: information before it has been analysed to yield further information or deductions. (3) ~ glass: optical glass before it is processed, moulded and ground to create an optical element.