NOUN | quantity | constant of proportionality, factor of proportionality | the constant value of the ratio of two proportional quantities x and y |
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Meaning | The constant value of the ratio of two proportional quantities x and y; usually written y = kx, where k is the factor of proportionality. | |
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Synonym | factor of proportionality | |
Narrower | Planck's constant, h | The constant of proportionality relating the energy of a photon to its frequency |
Broader | constant | A number representing a quantity assumed to have a fixed value in a specified mathematical context |
factor | Any of the numbers (or symbols) that form a product when multiplied together |
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