ratio

Noun
  1. is a type of: magnitude relation, quantitative relation - a relation between magnitudes
    subtypes:
    • gross margin, margin of profit, profit margin - the ratio gross profits divided by net sales
    • 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, speed, stop number - the ratio of the focal length to the diameter of a (camera) lens system
    • frequency, relative 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
    • 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 given 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-to-noise, signal-to-noise ratio, signal/noise, signal/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
  2. is a type of: magnitude relation, quantitative relation - a relation between magnitudes
    same as: proportion

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