"Photochromatic" Pronounce,Meaning And Examples
"Photochromatic" Natural Recordings by Native Speakers
"Photochromatic" Meaning
"Photochromatic" is an adjective that refers to a material or substance that can change its color in response to the presence or absence of light. This change is reversible, meaning that the material returns to its original color when it is no longer exposed to light.In other words, photochromatic materials are capable of adjusting their color to adapt to changes in lighting conditions, often found in sunglasses lenses that darken in bright sunlight and lighten in cloudy or indoor conditions.
"Photochromatic" Examples
Usage Examples of "Photochromatic"1. Sunglasses with photochromatic lenses change their tint in response to changing light conditions, providing optimal vision in different environments.2. The new camera lenses are designed to be photochromatic, automatically adjusting their color filter to enhance or reduce exposure based on the scene.3. In tropical regions, photochromatic contact lenses are often prescribed for individuals who have trouble adjusting to a sudden change in light after emerging from the sun into shade.4. Modern vehicle windshields are now available with photochromatic glass that changes its tint in response to sunlight, reducing glare and maintaining a clear view.5. The eye doctor recommended that her patient wear photochromatic lenses to ensure seamless adaptation to varying light conditions during outdoor activities.
"Photochromatic" Similar Words
Photocatalysis
Photocatalysis is a chemical reaction that is initiated and sustained by light or photons. It involves the use of a catalyst, typically a semiconductor material, to accelerate a chemical reaction when exposed to light. In this process, the catalyst absorbs light energy, which triggers a series of chemical reactions that result in the formation of reactants or products.The most common example of photocatalysis is hydrogen production from water using titania (titanium dioxide, TiO2) as the photocatalyst. When light with sufficient energy hits the titania particles, it excites the electrons, which then react with water to produce hydrogen gas and oxygen.Photocatalysis has various applications, including:1. Water splitting: Producing hydrogen fuel from water using solar energy2. Air purification: Decomposing pollutants and toxic emissions from vehicles and industrial processes3. Self-cleaning surfaces: Reducing stains and bacterial growth on surfaces4. Cancer treatment: Targeting and killing cancer cells using photodynamic therapy5. Environmental remediation: Removing contaminants from soil, air, and water.
Photocatalyst
A catalyst that causes a chemical reaction to proceed with visible light as the energy source, rather than the traditional high temperatures and pressures used in thermally catalyzed reactions.
Photocatalytic
Having the ability to act as a catalyst in a photochemical reaction, in which light energy influences the reaction rate.
Photocathode
A photocathode is a type of cathode that emits electrons when exposed to light. It is a surface that, when illuminated by light, releases electrons from its surface, a process known as the photoelectric effect. The photocathode is commonly used in photomultiplier tubes and other devices that utilize the photoelectric effect to detect light or measure its intensity.
Photocell
A device that contains semiconducting material and is used to convert light into an electrical signal. It is often used in light meters, cameras, and photocopiers.
Photochemical
Relating to or produced by the interaction of light with chemicals, or caused by a chemical that has been exposed to light.
Photochemistry
Photochromic
Photochromic refers to materials that change color in response to light exposure, typically turning from transparent to colored or tinted. This property allows photochromic materials to darken or lighten in response to changes in the amount of light they receive, often used in eyeglasses and lenses that adjust to changing light conditions.
Photochromism
Photochromography
Photochromography is the process of creating a photographic image from a photographic plate or film that has undergone chemical changes in response to light.
Photochromy
Photochromy is a phenomenon where a colorless or light-colored material changes color when exposed to light, particularly ultraviolet (UV) radiation, and reverts back to its original color when the light source is removed. This change in color is reversible and can occur multiple times.
Photocoagulation
Photocoagulation is a medical procedure that uses intense light and heat to destroy or remove damaged tissue. It is often used to treat conditions such as diabetic retinopathy, age-related macular degeneration, and other eye disorders, as well as to remove abnormal cells on the skin or at the base of wounds.The term "photo" refers to light, and "coagulation" refers to the process of clotting or sealing. During the procedure, a high-intensity light beam is focused onto the affected area, causing the tissue to quickly heat up and die. The dead tissue then flakes off, leaving healthy tissue behind.Photocoagulation can be used to treat a range of conditions, including:<em> Diabetic retinopathy: to reduce swelling and leakage of fluid in the retina</em> Age-related macular degeneration: to treat neovascularization and reduce vision loss<em> Precancerous lesions: to remove abnormal cells that could develop into cancer</em> Wound healing: to promote healing and prevent infectionThe procedure is typically performed under local anesthesia and is relatively quick and painless, lasting anywhere from a few minutes to an hour or more, depending on the specific condition being treated.
Photocomposing
Photocomposing is a historical process in printing that involves using a photographic image to create a metal printing plate.
Photoconductive
A term used in physics and materials science, "photoconductive" refers to the property of a material that changes its electrical conductivity in response to light. When exposed to light, a photoconductive material becomes more conductive, allowing electric current to flow more easily through it.In other words, the illumination of a photoconductive material can reduce its electrical resistance, enabling it to conduct electricity more efficiently.
Photoconductor
A photoconductor, also known as a photoresponsive or light-sensitive resistor, is a material that becomes conductive when exposed to light. It exhibits a significant change in electrical resistance when contacted with different levels of illumination. This property is often utilized in various applications such as in the manufacture of photocopying machines, light-dependent resistors, and security devices.