1. (noun) the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree

• proportion

1. (noun) the relative magnitudes of two quantities (usually expressed as a quotient)

• abundance
• abundance
• albedo
• reflective power
• aspect ratio
• average
• betting odds
• odds
• breadth index
• cephalic index
• cranial index
• eccentricity
• efficiency
• employee turnover
• turnover
• turnover rate
• f number
• focal ratio
• speed
• stop number
• facial index
• factor of safety
• safety factor
• frequency
• relative frequency
• fuel consumption rate
• gas mileage
• gasoline mileage
• mileage
• gross margin
• margin of profit
• profit margin
• haematocrit
• hematocrit
• packed cell volume
• i.q.
• intelligence quotient
• iq
• index of refraction
• refractive index
• load factor
• loading
• loss ratio
• mach number
• magnification
• magnitude
• order of magnitude
• mechanical advantage
• output-to-input ratio
• p/e ratio
• price-to-earnings ratio
• prevalence
• productivity
• proportionality
• quotient
• relative humidity
• respiratory quotient
• s/n
• signal-to-noise
• signal-to-noise ratio
• signal/noise
• signal/noise ratio
• stoichiometry
• time constant

1. (noun) the relative magnitudes of two quantities (usually expressed as a quotient)

• magnitude relation
• quantitative relation

2. (noun) the relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree

• magnitude relation
• quantitative relation