# ratio

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## ra·tio

(rā′shō, rā′shē-ō′)
n. pl. ra·tios
1. Relation in degree or number between two similar things.
2. The relative value of silver and gold in a currency system that is bimetallic.
3. Mathematics A relationship between two quantities, normally expressed as the quotient of one divided by the other; for example, the ratio of 7 to 4 can be written 7:4 or 7/4. A ratio can often also be expressed as a decimal or percentage.

[Latin ratiō, calculation, from ratus, past participle of rērī, to reckon, consider; see ar- in Indo-European roots.]

## ratio

(ˈreɪʃɪˌəʊ)
n, pl -tios
1. a measure of the relative size of two classes expressible as a proportion: the ratio of boys to girls is 2 to 1.
2. (Mathematics) maths a quotient of two numbers or quantities. See also proportion6
[C17: from Latin: a reckoning, from rērī to think; see reason]

## ra•tio

(ˈreɪ ʃoʊ, -ʃiˌoʊ)

n., pl. -tios.
1. the relation between two similar magnitudes with respect to the number of times the first contains the second: the ratio of 5 to 2, written 5:2 or 5/2.
2. proportional relation; rate: the ratio between acceptances and rejections.
3. the relative value of gold and silver when both are used as a country's monetary standard.
[1630–40; < Latin ratiō reckoning, proportion]

## ra·tio

(rā′shō, rā′shē-ō′)
A relationship between two quantities, normally expressed as the quotient of one divided by the other. For example, if a box contains six red marbles and four blue marbles, the ratio of red marbles to blue marbles is 6 to 4, also written 6:4. A ratio can also be expressed as a decimal or percentage.

## ratio

- From Latin, literally, "reckoning."
ThesaurusAntonymsRelated WordsSynonymsLegend:
 Noun 1 ratio - the relative magnitudes of two quantities (usually expressed as a quotient)gross margin, margin of profit, profit margin - the ratio gross profits divided by net salesmagnitude relation, quantitative relation - a relation between magnitudesabundance - (chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per millionabundance - (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes presentalbedo, reflective power - the ratio of reflected to incident lightaspect ratio - the ratio of the width to the height of a tv pictureaverage - (sports) the ratio of successful performances to opportunitiesbreadth index, cephalic index, cranial index - ratio (in percent) of the maximum breadth to the maximum length of a skullefficiency - the ratio of the output to the input of any systemfacial index - the ratio (in percent) of the maximum width to the maximum height of the facef number, focal ratio, stop number, speed - the ratio of the focal length to the diameter of a (camera) lens systemrelative frequency, frequency - the ratio of the number of observations in a statistical category to the total number of observationshaematocrit, hematocrit, packed cell volume - the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocritI.Q., intelligence quotient, IQ - a measure of a person's intelligence as indicated by an intelligence test; the ratio of a person's mental age to their chronological age (multiplied by 100)load factor - (aeronautics) the ratio of an external load to the weight of the aircraft (measured in g)loss ratio - the ratio of the annual claims paid by an insurance company to the premiums receivedMach number - the ratio of the speed of a moving body to the speed of soundmagnification - the ratio of the size of an image to the size of the objectmechanical advantage - the ratio of the force exerted by a machine to the force applied to itfuel consumption rate, gas mileage, gasoline mileage, mileage - the ratio of the number of miles traveled to the number of gallons of gasoline burnedbetting odds, odds - the ratio by which one better's wager is greater than that of another; "he offered odds of two to one"magnitude, order of magnitude - a number assigned to the ratio of two quantities; two quantities are of the same order of magnitude if one is less than 10 times as large as the other; the number of magnitudes that the quantities differ is specified to within a power of 10output-to-input ratio - the output power of a transducer divided by the input powerprevalence - (epidemiology) the ratio (for a given time period) of the number of occurrences of a disease or event to the number of units at risk in the populationP/E ratio, price-to-earnings ratio - (stock market) the price of a stock divided by its earningsproductivity - (economics) the ratio of the quantity and quality of units produced to the labor per unit of timeproportionality - a ratio of two quantities that is constantquotient - the ratio of two quantities to be dividedindex of refraction, refractive index - the ratio of the velocity of light in a vacuum to that in a mediumrelative humidity - the ratio of the amount of water in the air at a give temperature to the maximum amount it could hold at that temperature; expressed as a percentagerespiratory quotient - the ratio of the volume of carbon dioxide expired to the volume of oxygen consumed by an organism or cell in a given period of timefactor of safety, safety factor - the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary useS/N, signal/noise, signal/noise ratio, signal-to-noise, signal-to-noise ratio - the ratio of signal intensity to noise intensitystoichiometry - (chemistry) the relation between the quantities of substances that take part in a reaction or form a compound (typically a ratio of whole integers)time constant - the ratio of the inductance of a circuit in henries to its resistance in ohmsemployee turnover, turnover, turnover rate - the ratio of the number of workers that had to be replaced in a given time period to the average number of workersloading - the ratio of the gross weight of an airplane to some factor determining its lifteccentricity - (geometry) a ratio describing the shape of a conic section; the ratio of the distance between the foci to the length of the major axis; "a circle is an ellipse with zero eccentricity" 2 ratio - the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree; "an inordinate proportion of the book is given over to quotations"; "a dry martini has a large proportion of gin"proportionmagnitude relation, quantitative relation - a relation between magnitudes

## ratio

noun The adult to child ratio is 1 to 6.
Translations
نِسْبَةنِسْبَه
poměr
forhold
suhde
omjer
arány
hlutfall

비율
attiecībaproporcija
förhållande
อัตราส่วน
orannisbet
tỷ lệ

## ratio

[ˈreɪʃɪəʊ] N
in the ratio of 2 to 1a razón de 2 a 1
in inverse ratio
in direct ratio to
the ratio of wages to raw materialsla relación entre los sueldos y las materias primas

## ratio

[ˈreɪʃiəʊ] n
a ratio of 5 to 1 → un ratio de 5 pour 1
the ratio of boys to girls → le ratio garçons-filles
a high teacher/pupil ratio → un ratio professeurs-élèves élevé
The adult to child ratio is 1 to 6 → Le ratio adultes-enfants est de 1 pour 6.

## ratio

nVerhältnis nt; the ratio of men to womendas Verhältnis von Männern zu Frauen; in the or a ratio of 100 to 1im Verhältnis 100 zu 1 (written: 100:1); inverse ratio; in inverse ratio to (Math) →

## ratio

[ˈreɪʃɪəʊ] n
in the ratio of 2 to 1 → in rapporto di 2 a 1

## ratio

(ˈreiʃiəu) plural ˈratios noun
the amount or proportion of one thing compared to another. There is a ratio of two girls to one boy in this class.

## ratio

poměr forhold suhde omjer 比率 비율 förhållande อัตราส่วน tỷ lệ

## ra·ti·o

L. relación, proporción, razón, expresión de la cantidad de una sustancia en relación con otra.

## ratio

n (math) razón f; international normalized — (INR) razón normalizada internacional
References in classic literature ?
Thus he found that the system of withholding the indispensable materials for production and subsistence from the laborers, except on condition of their supporting an idle class whilst accepting a lower standard of comfort for themselves than for that idle class, rendered the determination of just ratios of exchange, and consequently the practice of honest dealing, impossible.
However, she had, on such occasions, the advantage of concealing her blushes from the eyes of men; and De non apparentibus, et non existentibus eadem est ratio --in English, "When a woman is not seen to blush, she doth not blush at all."
In such cases the geometrical ratio of increase, the result of which never fails to be surprising, simply explains the extraordinarily rapid increase and wide diffusion of naturalised productions in their new homes.
Customs have been handed down by ages of repetition, but the punishment for ignoring a custom is a matter for individual treatment by a jury of the culprit's peers, and I may say that justice seldom misses fire, but seems rather to rule in inverse ratio to the ascendency of law.
Only when we have admitted the conception of the infinitely small, and the resulting geometrical progression with a common ratio of one tenth, and have found the sum of this progression to infinity, do we reach a solution of the problem.
That swing of the shoulders that had frozen the timid when he was but a lad had increased with his growth and education at the ratio of ten to one.
In the matter of wills, personal qualities were subordinate to the great fundamental fact of blood; and to be determined in the distribution of your property by caprice, and not make your legacies bear a direct ratio to degrees of kinship, was a prospective disgrace that would have embittered her life.
Upon a ratio to the importation into this State, the whole quantity imported into the United States may be estimated at four millions of gallons; which, at a shilling per gallon, would produce two hundred thousand pounds.
We walked with a regular step, which rang upon the ground with astonishing intensity; the slightest noise was transmitted with a quickness to which the ear is unaccustomed on the earth; indeed, water is a better conductor of sound than air, in the ratio of four to one.
The estimation in which these gentlemen were held, according to one of the most scientific exponents of the Gun Club, was "proportional to the masses of their guns, and in the direct ratio of the square of the distances attained by their projectiles."
The ratio of increase among all the Polynesian nations is very small; and in some places as yet uncorrupted by intercourse with Europeans, the births would appear not very little to outnumber the deaths; the population in such instances remaining nearly the same for several successive generations, even upon those islands seldom or never desolated by wars, and among people with whom the crime of infanticide is altogether unknown.
Personal rights, universally the same, demand a government framed on the ratio of the census; property demands a government framed on the ratio of owners and of owning.

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