Bunsen-Kirchhoff law

noun

Bun·​sen-Kirch·​hoff law

-ənˈkirˌkȯf-,

-rkˌhȯf-

: a statement in spectroscopy: each chemical element has an emission spectrum of bright lines and an absorption spectrum of dark lines which are characteristic of the element

Word History

Etymology

after Robert Wilhelm Bunsen and Gustav Robert Kirchhoff †1887 German physicist, its formulators

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