photo metrist

photometry

[foh-tom-i-tree]
noun
1.
the measurement of the intensity of light or of relative illuminating power.
2.
the science dealing with such measurements.

Origin:
1815–25; < Neo-Latin photometria. See photo-, -metry

photometric [foh-tuh-me-trik] , photometrical, adjective
photometrist, photometrician [foh-tuh-me-trish-uhn] , noun
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
photometry (fəʊˈtɒmɪtrɪ)
 
n
1.  the measurement of the intensity of light
2.  the branch of physics concerned with such measurements
 
photometric
 
adj
 
photo'metrically
 
adv
 
pho'tometrist
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
photometry   (fō-tŏm'ĭ-trē)  Pronunciation Key 
The measurement of the intensity, brightness, or other properties of light. Also called photometrics. See also luminous intensity.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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