# 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.

[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."See also related terms for reckoning.

ThesaurusAntonymsRelated WordsSynonyms

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Noun | 1. | ratio - the relative magnitudes of two quantities (usually expressed as a quotient)magnitude relation, quantitative relation - a relation between magnitudes abundance - (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 million abundance - (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present albedo, reflective power - the ratio of reflected to incident light aspect ratio - the ratio of the width to the height of a tv picture average - (sports) the ratio of successful performances to opportunities breadth index, cephalic index, cranial index - ratio (in percent) of the maximum breadth to the maximum length of a skull efficiency - the ratio of the output to the input of any system facial index - the ratio (in percent) of the maximum width to the maximum height of the face f number, focal ratio, stop number, speed - the ratio of the focal length to the diameter of a (camera) lens system relative frequency, frequency - the ratio of the number of observations in a statistical category to the total number of observations haematocrit, 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 hematocrit I.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 received Mach number - the ratio of the speed of a moving body to the speed of sound magnification - the ratio of the size of an image to the size of the object mechanical advantage - the ratio of the force exerted by a machine to the force applied to it fuel consumption rate, gas mileage, gasoline mileage, mileage - the ratio of the number of miles traveled to the number of gallons of gasoline burned betting 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 10 output-to-input ratio - the output power of a transducer divided by the input power prevalence - (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 population P/E ratio, price-to-earnings ratio - (stock market) the price of a stock divided by its earnings productivity - (economics) the ratio of the quantity and quality of units produced to the labor per unit of time proportionality - a ratio of two quantities that is constant quotient - the ratio of two quantities to be divided index of refraction, refractive index - the ratio of the velocity of light in a vacuum to that in a medium relative 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 percentage respiratory 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 time factor of safety, safety factor - the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use S/N, signal/noise, signal/noise ratio, signal-to-noise, signal-to-noise ratio - the ratio of signal intensity to noise intensity stoichiometry - (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 ohms employee 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 workers loading - the ratio of the gross weight of an airplane to some factor determining its lift eccentricity - (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"magnitude relation, quantitative relation - a relation between magnitudes |

## ratio

*noun*proportion, rate, relationship, relation, arrangement, percentage, equation, fraction, correspondence, correlation The adult to child ratio is 1 to 6.

Translations

نِسْبَة

**نِسْبَه****poměr**

**forhold**

**suhde**

**omjer**

**arány**

**hlutfall**

**比率**

**비율**

**attiecība**

**proporcija**

**förhållande**

**อัตราส่วน**

oran

**nisbet****tỷ lệ**

## ratio

[ˈreɪʃɪəʊ]*N*→ razón

*f*

in the ratio of 2 to 1 → a razón de 2 a 1

in inverse ratio → en proporción

*or*razón inversa

in direct ratio to → en proporción

*or*razón directa con

the ratio of wages to raw materials → la relación entre los sueldos y las materias primas

## ratio

*n*→ Verhältnis

*nt*; the

**ratio**of men to women → das Verhältnis von Männern zu Frauen; in the

*or*a

**ratio**of 100 to 1 → im Verhältnis 100 zu 1 (written: 100:1); inverse

**ratio**→ umgekehrtes Verhältnis; in inverse

**ratio**to (Math) → umgekehrt proportional zu

## 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

→ نِسْبَة poměr forhold Verhältnis λόγος proporción suhde rapport omjer rapporto 比率 비율 verhouding forhold stosunek proporção соотношение förhållande อัตราส่วน oran tỷ lệ 比率## 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

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