ratioon Academic Word Listalso onCEFR Advanced (C1)? Academic Vocabulary List (AVL)? יחס ratio ratio(noun) יחס .A ratio is a relationship between two things that is expressed in numbers If there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one to three. ratios ratios(noun) יחסים Forms noun ratio ratios 1 2 3