#ratio the relative magnitudes of two quantities (usually expressed as a quotient)
supertype: magnitude_relation__magnituderelation__quantitative_relation a relation between magnitudes
subtype: margin_of_profit__profit_margin__gross_margin__grossmargin the ratio gross profits divided by net sales
subtype: 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
subtype: abundance.ratio (physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present
subtype: albedo__reflective_power the ratio of reflected to incident light
subtype: aspect_ratio the ratio of the width to the height of a tv picture
subtype: cephalic_index__breadth_index__breadthindex__cranial_index__cranialindex ratio (in percent) of the maximum breadth to the maximum length of a skull
subtype: efficiency the ratio of the output to the input of any system
subtype: facial_index the ratio (in percent) of the maximum width the the maximum height of the face
subtype: focal_ratio__focalratio__f_number__fnumber__stop_number__speed the ratio of the focal length to the diameter of a (camera) lens system
subtype: relative_frequency__frequency the ratio of the number of observations in a statistical category to the total number of observations
subtype: relative_incidence__incidence the relative frequency of occurrence of something
subtype: morbidity the relative incidence of a particular disease
subtype: packed_cell_volume__hematocrit__haematocrit the ratio of the volume occupied by packed red blood cells to the volume of the whole blood as measured by a hematocrit
subtype: intelligence_quotient__IQ__I.Q. 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)
subtype: adult_intelligence__adultintelligence the average IQ of the adults in a given population
subtype: borderline_intelligence the minimal IQ required for someone to function normally and independently in the world (without some form of institutional assistance)
subtype: load_factor (aeronautics) the ratio of an external load to the weight of the aircraft (measured in g)
subtype: loss_ratio the ratio of the annual claims paid by an insurance company to the premiums received
subtype: Mach_number the ratio of the speed of a moving body to the speed of sound
subtype: magnification.ratio the ratio of the size of an image to the size of the object
subtype: mechanical_advantage the ratio of the force exerted by a machine to the force applied to it
subtype: fuel_consumption__mileage__milespergallon the ratio of the number of miles traveled to the number of gallons of gasoline burned
subtype: betting_odds__odds the ratio by which one better's wager is greater than that of another; "he offered odds of two to one"
subtype: order_of_magnitude__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
subtype: output-to-input_ratio the output power of a transducer divided by the input power
subtype: prevalence.ratio (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
subtype: price-to-earnings_ratio__P/E_ratio (stock market) the price of a stock divided by its earnings
subtype: productivity (economics) the ratio of the quantity and quality of units produced to the labor per unit of time
subtype: quotient.ratio the ratio of two quantities to be divided
subtype: proportionality__proportion the quotient obtained when the magnitude of a part is divided by the magnitude of the whole
subtype: content.proportionality the proportion of a substance that is contained in a mixture or alloy etc.
subtype: scale.proportionality the ratio between the size of something and a representation of it; "the scale of the map"; "the scale of the model"
subtype: golden_section__golden_mean the proportional relation between two divisions of line or two dimension of a plane figure such that short : long :: long : (short + long)
subtype: commensurateness__correspondence__proportionateness__proportionatenes the relation of correspondence in degree or size or amount
subtype: percent__percentage__per_centum__percentum a proportion multiplied by 100
subtype: absentee_rate the percentage of workers who do not report to work
subtype: batting_average__battingaverage (baseball) the percentage of times a batter gets a hit; number of base hits divided by the number of times at bat
subtype: fielding_average (baseball) the percentage of times a fielder handles a batted ball properly; number of assists and putouts divided by the number of chances
subtype: occupancy_rate__occupancyrate the percentage of all rental units (as in hotels) are occupied or rented at a given time
subtype: hospital_occupancy occupancy rate for hospitals
subtype: hotel_occupancy__hoteloccupancy occupancy rate for hotels
subtype: vacancy_rate__vacancyrate the percentage of all rental units (as in hotels) that are unoccupied or not rented at a given time
subtype: unemployment_rate the percentage of the work force that is unemployed at any given date
subtype: batting_average.proportionality__battingaverage (an extension of the baseball term) the proportion of times some effort succeeds; "the salesman's batting average was 7 out of 12"
subtype: refractive_index__index_of_refraction the ratio of the velocity of light in a vacuum to that in a medium
subtype: 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
subtype: respiratory_quotient__respiratoryquotient 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
subtype: safety_factor__factor_of_safety the ratio of the breaking stress of a structure to the estimated maximum stress in ordinary use
subtype: signal-to-noise_ratio__signal-to-noise__signal/noise_ratio__signal/noise__S/N the ratio of signal intensity to noise intensity
subtype: 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)
subtype: time_constant the ratio of the inductance of a circuit in henries to its resistance in ohms
subtype: 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
subtype: loading.ratio the ratio of the gross weight of an airplane to some factor determining its lift
subtype: power_loading__powerloading the ratio of the weight of an airplane to its engine power
subtype: span_loading the ratio of the weight of an airplane to its wingspan
subtype: wing_loading the ratio of the weight of an airplane to its wing area
subtype: eccentricity.ratio (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"
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