spectral series

American  

noun

Physics.

1. a series of lines in the spectrum of light emitted by excited atoms of an element, each line being related to the others in the series by a simple numerical equation and identified with a particular energy level of an atom of the element.

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Example Sentences

This is the most important of all the combinations in view of the results already described, for these colors represent the extremes of the visible spectrum, and might therefore be discriminable, even though those which are nearer together in the spectral series were not.

From Project Gutenberg