PHOTOCHROMIC Meaning and
Definition
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Photochromic is an adjective that refers to a material or substance that has the ability to change color when exposed to light. Derived from the Greek words "photo" meaning light and "chroma" meaning color, photochromic materials undergo a reversible chemical reaction that alters their molecular structure when exposed to ultraviolet (UV) radiation, causing the material to darken. This change in coloration occurs due to the absorption of UV rays and the subsequent stimulation of certain molecules within the material, thereby altering its visible light transmission properties.
Photochromic substances are commonly used in various applications, such as eyeglasses or sunglasses, where lenses darken when exposed to direct sunlight and become clear again indoors or at night. This adaptive feature allows photochromic lenses to provide optimal vision under different lighting conditions by reducing glare and excessive brightness outdoors. Additionally, photochromic materials are utilized in the production of smart windows, where the tint adjusts automatically according to the intensity of sunlight, improving energy efficiency and comfort within buildings.
The photochromic effect is a result of the reversible behavior of certain organic or inorganic compounds, typically embedded within a matrix material, that can undergo a photochemical reaction when exposed to specific wavelengths of light. This well-regulated color change makes photochromic substances a versatile and adaptable choice for various practical applications in technology, optics, and other industries.
Common Misspellings for PHOTOCHROMIC
- ohotochromic
- lhotochromic
- -hotochromic
- 0hotochromic
- pgotochromic
- pbotochromic
- pnotochromic
- pjotochromic
- puotochromic
- pyotochromic
- phitochromic
- phktochromic
- phltochromic
- phptochromic
- ph0tochromic
- ph9tochromic
- phorochromic
- phofochromic
- phogochromic
- phoyochromic
- Photochromeic
- Fotochromic
Etymology of PHOTOCHROMIC
The word "photochromic" has its etymological roots in the combination of two Greek words: "photo" meaning "light" and "chroma" meaning "color".
"Photo" is derived from the Greek word "phos" (φῶς), meaning "light". This word has been used in various scientific terms related to light, such as "photography" ("writing with light") and "photosynthesis" ("the process by which plants convert light energy into chemical energy").
"Chroma" comes from the Greek word "khrōma" (χρῶμα), meaning "color". It is often used in scientific terminology related to color, such as "chromosome" ("colored body") and "chromatic" ("relating to color").
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