The crossword solution for the term 'PREFIX WITH GRADE' is CENTI. The prefix 'centi-' is derived from the Latin word centum, meaning 'HUNDRED'. It is used to denote a factor of one hundredth, or 0.01. This prefix is commonly used in the metric system, and is often seen in scientific notation. For example, the prefix 'centi-' is used to denote a unit of length equal to one hundredth of a meter. In terms of grades, the prefix 'centi-' is often used to denote a grade that is one hundredth of a point away from the next highest grade.