Definition of Ratio

1. Noun. The relative magnitudes of two quantities (usually expressed as a quotient).




2. Noun. The relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree. "A dry martini has a large proportion of gin"
Exact synonyms: Proportion
Generic synonyms: Magnitude Relation, Quantitative Relation

Definition of Ratio

1. n. The relation which one quantity or magnitude has to another of the same kind. It is expressed by the quotient of the division of the first by the second; thus, the ratio of 3 to 6 is expressed by &frac36; or ½; of a to b by a/b; or (less commonly) the second term is made the dividend; as, a:b = b/a.

Definition of Ratio

1. Noun. A number representing a comparison between two things. ¹

2. Noun. (arithmetic) The relative magnitudes of two quantities (usually expressed as a quotient). ¹

3. Noun. (legal) Short for ratio decidendi. ¹

¹ Source: wiktionary.com

Definition of Ratio

1. a proportional relationship [n -TIOS]

Medical Definition of Ratio

1. 1. The relation which one quantity or magnitude has to another of the same kind. It is expressed by the quotient of the division of the first by the second; thus, the ratio of 3 to 6 is expressed by 3/6/ or 1/2; of a to b by a/b; or (less commonly) the second is made the dividend; as, a:b = b/a. Some writers consider ratio as the quotient itself, making ratio equivalent to a number. The term ratio is also sometimes applied to the difference of two quantities as well as to their quotient, in which case the former is called arithmetical ratio, the latter, geometrical ratio. The name ratio is sometimes given to the rule of three in arithmetic. See Rule. 2. Hence, fixed relation of number, quantity, or degree; rate; proportion; as, the ratio of representation in Congress. Compound ratio, Duplicate ratio, Inverse ratio, etc. See Compound, Duplicate, etc. Ratio of a geometrical progression, the constant quantity by which each term is multiplied to produce the succeeding one. Origin: L, fr. Reri, ratus, to reckon, believe, think, judge. See Reason. Source: Websters Dictionary (01 Mar 1998)

Ratio Pictures

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Lexicographical Neighbors of Ratio

ratification
ratifications
ratified
ratifier
ratifiers
ratifies
ratify
ratifying
ratihabition
ratihabitions
ratine
ratines
rating
rating system
ratings
ratio (current term)
ratio decidendi
ratio imaging fluorescence microscopy
ratio of decayed and filled surfaces
ratio of decayed and filled teeth
ratio scale
ratio variable
ratio variables
ratiocinate
ratiocinated
ratiocinates
ratiocinating
ratiocinatio
ratiocination
ratiocinations

Literary usage of Ratio

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Encyclopedia Americana: A Library of Universal Knowledge (1918)
"Bimetallism does not rest upon any natural particular ratio; the coinage ... The ratio states the proportion existing between the silver dollar and the gold ..."

2. Science by American Association for the Advancement of Science (1896)
"When, however, this ratio is combined with the ratio of the densities given ... Scott has recently determined f the volumetric ratio and finds the value ..."

3. The Thirteen Books of Euclid's Elements by Euclid, Johan Ludvig Heiberg (1908)
""Treat ratio," says De Morgan, "as an engine of operation. Let that of A to B suggest the power of altering any magnitude in that ratio. ..."

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