Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun Measurement of the properties of light, especially luminous intensity.
from The Century Dictionary.
- noun The measurement of the relative amounts of light emitted by different sources.
- noun Measurement of the amount of insufficiency of the external muscles of the eye; the scientific use of the phorometer.
- noun In biology, the reactional movement, positive and negative, with an indifference point between, of organisms under changing intensity of illumination.
from the GNU version of the Collaborative International Dictionary of English.
- noun That branch of science which treats of the measurement of the intensity of light.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics the
measurement of various aspects oflight , especially itsintensity - noun astronomy the measurement of the intensity and
spectrum of light fromstars
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun measurement of the properties of light (especially luminous intensity)
Etymologies
Sorry, no etymologies found.
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Examples
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Christie: There are lots of ways you can get involved in observational astronomy, but in talking about photometry, which is a measurement of star brightness, you basically just need a telescope with as much aperture as you can afford.
Universe Today 2008
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That's called photometry, and that's primarily what we do.
Universe Today 2008
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The worry was not about the pipeline itself, which by then Robert Lupton was writing and which was working beautifully, but about precision of the photometry going into it.
A Grand and Bold Thing Ann Finkbeiner 2010
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Despite ill health, she rose to become the head of stellar photometry at the prestigious Harvard College Observatory.
Miss Leavitt's Variables Brian Clegg 2010
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Despite ill health, she rose to become the head of stellar photometry at the prestigious Harvard College Observatory.
Archive 2010-03-01 Brian Clegg 2010
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The worry was not about the pipeline itself, which by then Robert Lupton was writing and which was working beautifully, but about precision of the photometry going into it.
A Grand and Bold Thing Ann Finkbeiner 2010
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The worry was not about the pipeline itself, which by then Robert Lupton was writing and which was working beautifully, but about precision of the photometry going into it.
A Grand and Bold Thing Ann Finkbeiner 2010
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The worry was not about the pipeline itself, which by then Robert Lupton was writing and which was working beautifully, but about precision of the photometry going into it.
A Grand and Bold Thing Ann Finkbeiner 2010
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The mistery of the hue divisions is part of what fascinates me, and I'd like to confirm if I'm right about the least-difference value scale (or if it was a middle-value one), or what I think I got regarding the use of the color-tops (instead of photometry).
Peak Saturation Value James Gurney 2010
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Comparisons of spore dosimetry and spectral photometry of solar-UV radiation at four sites in Japan and Europe.
Long-term change and variability in surface UV irradiance in the Arctic 2009
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