photometry

[ foh-tom-i-tree ]

/ foʊˈtɒm ɪ tri /

Save This Word!

noun

the measurement of the intensity of light or of relative illuminating power.

the science dealing with such measurements.

QUIZ

CAN YOU ANSWER THESE COMMON GRAMMAR DEBATES?

There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?

Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

TAKE THE QUIZ TO FIND OUT

Origin of photometry

From the New Latin word photometria, dating back to 1815–25. See photo-, -metry

OTHER WORDS FROM photometry

pho·to·met·ric

[foh-tuh-me-trik], /ˌfoʊ təˈmɛ trɪk/, pho·to·met·ri·cal, adjectivepho·tom·e·trist, pho·to·me·tri·cian

[foh-tuh-me-trish-uhn], /ˌfoʊ tə mɛˈtrɪʃ ən/, noun

Words nearby photometry

photomap, photomechanical, photomechanical transfer, photometer, photometric brightness, photometry, photomicrograph, photomicroscope, photomontage, photomorphogenesis, photomosaic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use photometry in a sentence

Considerations drawn from photometry were also lost sight of, because that art was still undeveloped.
The Popular Science Monthly, October, 1900|Various
Its precedence over its rivals Vega and Capella, long in dispute, has been settled by the Harvard photometry.
Pleasures of the telescope|Garrett Serviss
The embarrassing subject of photographic photometry has also been attacked by Professor Pickering.
Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 7|Various
The branch of astronomy (or physics) which deals with intensities of radiation is called photometry.
Lectures on Stellar Statistics|Carl Vilhelm Ludvig Charlier

Then came astrophysics, including photography, spectroscopy and photometry.
The Future of Astronomy|Edward C. Pickering

British Dictionary definitions for photometry

photometry

/ (fəʊˈtɒmɪtrɪ) /

noun

the measurement of the intensity of light

the branch of physics concerned with such measurements

Derived forms of photometry

photometric (ˌfəʊtəˈmɛtrɪk), adjectivephotometrically, adverbphotometrist, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for photometry

photometry

[ fō-tŏm′ĭ-trē ]

The measurement of the intensity, brightness, or other properties of light. Also called photometrics See also luminous intensity.