- the measurement of the intensity of light or of relative illuminating power.
- the science dealing with such measurements.
Origin of photometry
Examples from the Web for photometric
Historical Examples of photometric
This fact simply emphasizes the lack of mathematical precision in photometric measurements of star light.
Its use for photometric purposes and in current regulators will be mentioned further on.
As the photometric experiments are recent, let us suppose that it gives but 25 carcels.
According to the Harvard photometric measures its brightest star is Fl.Astronomical Curiosities
J. Ellard Gore
The satellite-theory has derived unlooked-for support from photometric inquiries.A Popular History of Astronomy During the Nineteenth Century
Agnes M. (Agnes Mary) Clerke
- the measurement of the intensity of light
- the branch of physics concerned with such measurements
- The measurement of the intensity, brightness, or other properties of light. Also called photometrics See also luminous intensity.