transcription, транскрипция: [ reɪʃioʊ, AM -ʃoʊ ]
A ratio is a relationship between two things when it is expressed in numbers or amounts. For example, if there are ten boys and thirty girls in a room, the ratio of boys to girls is 1:3, or one to three.
The adult to child ratio is 1 to 6.
N-COUNT : usu sing , oft N of n to n