spectrophotometric analysis n.
The determination of the structure or quantity of substances by measuring their capacity to absorb light of various wavelengths. Also called spectrophotometry.
[spek-troh-foh-tom-i-ter] /ˌspɛk troʊ foʊˈtɒm ɪ tər/ noun 1. an instrument for making photometric comparisons between parts of spectra. spectrophotometer /ˌspɛktrəʊfəʊˈtɒmɪtə/ noun 1. an instrument for producing or recording a spectrum and measuring the photometric intensity of each wavelength present, esp such an instrument used for infrared, visible, and ultraviolet radiation See also spectrometer spectrophotometer spec·tro·pho·tom·e·ter […]
[spek-troh-poh-luh-rim-i-ter] /ˌspɛk troʊˌpoʊ ləˈrɪm ɪ tər/ noun, Optics. 1. an instrument for determining the extent to which plane-polarized light of various wavelengths is rotated by certain solutions, consisting of a combination of a spectroscope and a polarimeter.
[spek-troh-poh-lar-uh-skohp] /ˌspɛk troʊ poʊˈlær əˌskoʊp/ noun, Optics. 1. an instrument combining the functions of a spectroscope with those of a polariscope.
- Specific immunity
specific immunity n. Immunity against a specific antigen or disease.