Definition of Rydberg constant
: a wave number characteristic of the atomic spectrum of each element equal to the constant factor in the wave-number formula for all the spectral series of the elements and having a value from 109,678 cm−1 for hydrogen to 109,737 cm−1 for the heaviest elements
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Origin and Etymology of rydberg constant
after Johannes R. Rydberg
First Known Use: 1900
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