NOUN | relation | ratio | the relative magnitudes of two quantities (usually expressed as a quotient) |
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relation | ratio, proportion | the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree |

Sounds | rey'shiyow. | |
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Rhymes | adagio ... video: 48 rhymes with iyow... |

Meaning | The relative magnitudes of two quantities (usually expressed as a quotient). | |
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Narrower | Mach number | The ratio of the speed of a moving body to the speed of sound |

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 | |

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 | |

cephalic index, breadth index, cranial index | Ratio (in percent) of the maximum breadth to the maximum length of a skull | |

eccentricity | (geometry) a ratio describing the shape of a conic section | |

efficiency | The ratio of the output to the input of any system | |

employee turnover, turnover rate, turnover | The ratio of the number of workers that had to be replaced in a given time period to the average number of workers | |

facial index | The ratio (in percent) of the maximum width to the maximum height of the face | |

focal ratio, f number, stop number, speed | The ratio of the focal length to the diameter of a (camera / camera) lens system | |

frequency, relative frequency | The ratio of the number of observations in a statistical category / category to the total number of observations | |

hematocrit, haematocrit, 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 | |

intelligence quotient, IQ, I.Q. | A measure of a person's intelligence as indicated by an intelligence test | |

load factor | (aeronautics) the ratio of an external load to the weight of the aircraft (measured in g) | |

loading | The ratio of the gross weight of an airplane to some factor determining its lift | |

loss ratio | The ratio of the annual claims paid by an insurance company to the premiums received | |

magnification | The ratio of the size of an image to the size of the object | |

margin of profit, profit margin, gross margin | The ratio gross profits divided by net sales | |

mechanical advantage | The ratio of the force exerted by a machine to the force applied to it | |

mileage, fuel consumption rate, gasoline mileage, gas mileage | The ratio of the number of miles traveled to the number of gallons of gasoline burned | |

odds, betting odds | The ratio by which one better's wager is greater than that of another | |

order of magnitude, magnitude | A number assigned to the ratio of two quantities | |

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 | |

price-to-earnings ratio, P/E ratio | (stock market) the price / 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 | |

refractive index, index of refraction | 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 | |

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 | |

safety factor, factor of safety | The ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use | |

signal-to-noise ratio, signal-to-noise, signal/noise ratio, signal/noise, S/N | 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 | |

Broader | magnitude relation, quantitative relation | A relation between magnitudes |

Spanish | cociente, índice, proporción, ratio, razón aritmética, razón, relación | |

Catalan | índex, proporció, raó, ràtio, relació | |

Adjectives | irrational | real but not expressible as the quotient of two integers |

rational | capable of being expressed as a quotient of integers |

Meaning | The relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree. | |
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Synonym | proportion | |

Broader | magnitude relation, quantitative relation | A relation between magnitudes |

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