Meaning of RATIO in English

RATIO

[ra.tio] n, pl ra.tios [L, computation, reason--more at reason] (1660) 1 a: the indicated quotient of two mathematical expressions b: the relationship in quantity, amount, or size between two or more things: proportion

2: the expression of the relative values of gold and silver as determined by a country's currency laws

Merriam-Webster English vocab.      Английский словарь Merriam Webster.