atomic absorption spectroscopy

noun
variants: or less commonly atomic absorption spectrometry

Definition of atomic absorption spectroscopy 

: a method of spectroscopy that relies on the absorption of specific frequencies of light by atoms in order to identify the chemical composition of a sample To fully characterize the composition, we determined the Li, Na and Mn contents by atomic absorption spectroscopy after dissolving the sample in dilute hydrochloric acid.— Jaekook Kim, Nature, 20 Nov. 1997

called also absorption spectroscopy

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First Known Use of atomic absorption spectroscopy

1957, in the meaning defined above

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