spectrophotometry

noun

spec·​tro·​pho·​tom·​e·​try ˌspek-(ˌ)trō-fə-ˈtä-mə-trē 

: the quantitative measurement of properties (such as relative intensities) of light at different wavelengths of a particular spectrum

ultraviolet spectrophotometry

Using infrared spectrophotometry, Lynch was able to identify the substance as charred cotton, which could have come from anywhere.

—David Fisher

… dual-wavelength spectrophotometry for the measurement of the optical properties of hemoglobin …

—Honglian Jin et al.

Word History

Etymology

spectro- + photometry, after spectrophotometer

First Known Use

1888, in the meaning defined above

Medical Definition

spectrophotometry

noun

spec·​tro·​pho·​tom·​e·​try ˌspek-(ˌ)trō-fə-ˈtäm-ə-trē 

: the quantitative measurement of properties (such as relative intensities) of light at different wavelengths of a particular spectrum

infrared spectrophotometry

… dual-wavelength spectrophotometry for the measurement of the optical properties of hemoglobin …

—Honglian Jin et al., BioMed Research International