The word "photometrically" (fəʊtəˈmɛtrɪkəli) is spelled as it is pronounced. The first syllable "pho" is pronounced as "foe" with a long "o" sound, followed by "to" pronounced as "toe." The ending "-metrically" is pronounced "mɛtrɪkəli." Therefore, the word is spelled phonetically, indicating that it is derived from the Greek word "phos," meaning light, and "metron," meaning measure. Photometrically refers to the measurement of light or the use of light to measure properties of an object.
Photometrically is an adverb that refers to the measurement or analysis of the radiant energy of light, particularly in terms of its intensity, brightness, or luminous flux. Derived from the word "photometry," which is the branch of science concerned with the measurement of light, photometrically describes the process of quantitatively evaluating the characteristics of light.
In practical terms, photometrically can be used to describe the measurement of the amount of light emitted by a light source or reflected off an object. This can include determining the brightness of a light bulb, analyzing the luminosity of a celestial body, or measuring the intensity of light that interacts with a surface. The measurements obtained photometrically are typically objective and quantitative, providing numerical values that are comparable and repeatable.
Photometrically is commonly employed in various scientific and engineering disciplines, such as astronomy, physics, and lighting design. It encompasses techniques and instruments designed to gather accurate and reliable data regarding light properties, including its distribution, intensity, color, and spectral composition.
Overall, the term photometrically encompasses the systematic and scientific evaluation of light through measurement, allowing for precise analysis and understanding of its physical properties.
The word "photometrically" is derived from the combination of two roots: "photo" and "metric".
The root "photo" is derived from the Greek word "phos" (φῶς), meaning "light". It is commonly used in words related to light or brightness, such as "photograph" (light drawing) or "photosynthesis" (light synthesis).
The root "metric" is derived from the Greek word "metron" (μέτρον), which means "measure". It refers to the process of measuring or quantifying something.
Therefore, when these two roots are combined, "photometrically" refers to the measurement or quantification of light or brightness.