The definition of smog
Websmog (n.) 1905, a blend of smoke (n.) and fog (n.), formed "after Lewis Carrol's example" [Klein; see portmanteau ]. Reputedly coined in reference to London, and first attested there in a paper read by Dr. H.A. des Voeux, treasurer of the Coal Smoke Abatement Society, though he seems not to have claimed credit for coining it. WebAug 2, 2024 · Smog is a type of air pollution that makes it difficult to see by reducing the visibility of the air. It is common in large and populated cities having a lot of industries and …
The definition of smog
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Websmog noun [ S or U ] uk / smɒɡ / us / smɑːɡ / C1 a mixture of smoke, gases, and chemicals, especially in cities, that makes the atmosphere difficult to breathe and harmful for health: … WebDefinition of SMOG in the Definitions.net dictionary. Meaning of SMOG. What does SMOG mean? Information and translations of SMOG in the most comprehensive dictionary definitions resource on the web. ... Smog is a type of air pollution; the word "smog" was made in the early 20th century as a portmanteau of the words smoke and fog to refer to ...
Web2 days ago · smog in American English (smɑɡ, smɔɡ) noun 1. smoke or other atmospheric pollutants combined with fog in an unhealthy or irritating mixture 2. See photochemical smog transitive verb 3. to cover or envelop with or as if with smog Most material © 2005, 1997, 1991 by Penguin Random House LLC. WebJan 4, 2024 · The term "smog" was first used around 1950 to describe the combination of smoke and fog in London. Today, it refers to a mixture of pollutants made up mostly of ground level ozone. Air pollution emitted from transportation contributes to smog, and to poor air quality, which has negative impacts on the health and welfare of U.S. citizens.
WebIt forms when volatile organic compounds, or VOCs, and nitrogen oxides participate in chemical reactions in the presence of sunlight. VOCs: Carbon-containing compounds that easily evaporate at room temperature and enter the surrounding air. Many VOCs are emitted naturally by plants. WebFeb 18, 2024 · smog, community-wide polluted air. Its composition is variable. The term is derived from the words smoke and fog, but it is …
WebMar 22, 2024 · Air pollution can affect lung development and is implicated in the development of emphysema, asthma, and other respiratory diseases, such as chronic obstructive pulmonary disease (COPD). Increases in …
healthtech data hubWebsmog noun. A noxious mixture of particulates and gases that is the result of urban air pollution. smog verb. To get a smog check; to check a vehicle or have it checked for … healthtech digital remediesWebNov 22, 2024 · Smog is air pollution that reduces visibility. The term "smog" was first used in the early 1900s to describe a mix of smoke and fog. The … healthtech consultingWebOn the other hand air pollution has a very flexible definition that allows continuous change. When the first air pollution law was established in England in the 14th century, air pollutants were limited to compounds that could be seen or smelled, which is very different from the list of harmful substances known today. healthtech consulting canadaWebPhotochemical smog occurs when there are photochemical reactions, that is, chemicals like some gases react to exposure to sunlight. Some of these chemicals that react with light producing smog are volatile hydrocarbons and nitrogen oxides, such as nitrogen monoxide or nitric oxide, and in this case the result is tropospheric ozone, which ... health tech digital awards 2020WebJan 4, 2024 · The term "smog" was first used around 1950 to describe the combination of smoke and fog in London. Today, it refers to a mixture of pollutants made up mostly of … health tech digital awardsWebAug 2, 2024 · Smog is the term used to describe the mixture of smoke and fog. It is a type of intense air pollution. The particular term smog is not an old term; it was coined in the early 19th century to refer to smoky fog due to its opacity, and … healthtech digital therapeutics