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.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

ratio

- From Latin, literally, "reckoning."
See also related terms for reckoning.
Farlex Trivia Dictionary. © 2012 Farlex, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.ratio - the relative magnitudes of two quantities (usually expressed as a quotient)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 sales
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
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

ratio

Collins Thesaurus of the English Language – Complete and Unabridged 2nd Edition. 2002 © HarperCollins Publishers 1995, 2002
Translations
نِسْبَةنِسْبَه
poměr
forhold
suhde
omjer
arány
hlutfall
比率
비율
attiecībaproporcija
förhållande
อัตราส่วน
tỷ lệ

ratio

[ˈreɪʃɪəʊ] Nrazón f
in the ratio of 2 to 1a razón de 2 a 1
in inverse ratioen proporción or razón inversa
in direct ratio toen proporción or razón directa con
the ratio of wages to raw materialsla relación entre los sueldos y las materias primas
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

ratio

[ˈreɪʃiəʊ] nratio m
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.
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

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 ratioumgekehrtes Verhältnis; in inverse ratio to (Math) → umgekehrt proportional zu
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

ratio

[ˈreɪʃɪəʊ] nrapporto, proporzione f
in the ratio of 2 to 1 → in rapporto di 2 a 1
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

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.
Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd.

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
Multilingual Translator © HarperCollins Publishers 2009

ra·ti·o

L. relación, proporción, razón, expresión de la cantidad de una sustancia en relación con otra.
English-Spanish Medical Dictionary © Farlex 2012

ratio

n (math) razón f; international normalized — (INR) razón normalizada internacional
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in classic literature ?
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.
It is extremely probable, also, that after the ratio of representation had been adjusted, this very compromise must have produced a fresh struggle between the same parties, to give such a turn to the organization of the government, and to the distribution of its powers, as would increase the importance of the branches, in forming which they had respectively obtained the greatest share of influence.