Origin of microspectrophotometer

First recorded in 1950–55; micro- + spectrophotometer
Related formsmi·cro·spec·tro·pho·to·met·ric [mahy-kroh-spek-troh-foh-tuh-me-trik] /ˌmaɪ kroʊˌspɛk troʊˌfoʊ təˈmɛ trɪk/, adjectivemi·cro·spec·tro·pho·tom·e·try, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

microspectrophotometry in Medicine


  1. The technique of measuring the light absorbed, reflected, or emitted by a microscopic specimen at different wavelengths.
  2. Such a technique used to characterize and quantify nucleoproteins in single cells or cell organelles on the basis of their natural ultraviolet absorption spectra or following stoichiometric binding in selective cytochemical staining reactions.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.