Sinonimi: charge per unit
ETYM Old Fren., from Latin rata (sc. pars), from ratus reckoned, fixed by calculation, p. p. of reri to reckon, to calculate. Related to Reason.
1. Amount of a charge or payment relative to some basis; SYN. charge per unit.
2. A magnitude or frequency relative to a time unit.
3. (British) A local tax on property (usually used in the plural).
ETYM Latin, from reri, ratus, to reckon, believe, think, judge. Related to Reason.
The relative magnitudes of two quantities (usually expressed as a quotient).
Measure of the relative size of two quantities or of two measurements (in similar units), expressed as a proportion. For example, the ratio of vowels to consonants in the alphabet is 5:21; the ratio of 500 m to 2 km is 500:2,000, or 1:4.