Table of Contents
What is the meaning of smog?
Definition of smog : a fog made heavier and darker by smoke and chemical fumes also : a photochemical haze caused by the action of solar ultraviolet radiation on atmosphere polluted with hydrocarbons and oxides of nitrogen especially from automobile exhaust.
What do the letters in smog stand for?
SMOG is an acronym for “Simple Measure of Gobbledygook”. SMOG is widely used, particularly for checking health messages.
What is the word smog an example of?
Smog! Smog is a great example of a portmanteau, a word formed by combining two other words into one: it comes from smoke and fog.
Where did the word smog originate?
London, England, physician Harold Des Veaux coined the word smog in 1905 to describe natural fog contaminated by smoke: smoke + fog yielded smog.
What is smog class8?
Smog: This is a thick fog-like layer in the atmosphere, especially during winters, made up of fog and smoke. • Sulphur dioxide is mainly produced by burning fuels such as coal. It causes respiratory problems, including permanent lung damage.
What does smog stand for in oil and gas?
The Standardized Measure of Oil & Gas calculation (SMOG) checks the “yes” box to those questions at a lot of energy companies.
Which disaster is related to smog?
Great Smog of London, lethal smog that covered the city of London for five days (December 5–9) in 1952, caused by a combination of industrial pollution and high-pressure weather conditions. This combination of smoke and fog brought the city to a near standstill and resulted in thousands of deaths.
What is a word like smog called?
listen), /ˌpɔːrtmænˈtoʊ/) or portmanteau word (from “portmanteau (luggage)” which is, itself, a portmanteau) is a blend of words in which parts of multiple words are combined into a new word, as in smog, coined by blending smoke and fog, or motel, from motor and hotel.
Who was the first scientist to coin the term smog?
Etymology. Coinage of the term “smog” is often attributed to Dr. Henry Antoine Des Voeux in his 1905 paper, “Fog and Smoke” for a meeting of the Public Health Congress.
What is the difference between smoke and smog?
But, Smog – Smog is Smoke + Fog.What is the difference between fog and smog? Fog Smog Fog is caused by water droplets in the air Smog is made up of Smoke and Fog.
What are the two types of smog that are recognized?
At least two distinct types of smog are recognized: 1) Sulfurous smog (or ‘London-type’ smog); 2) Photochemical smog (‘Los Angeles-type’ smog).
What is the difference between haze and smog?
Haze is the reflection of sunlight off air pollution, while smog is what happens when pollution causes low-lying ozone. When warm water in the air cools quickly, the droplets change from invisible to visible.
What is smog for class6?
Smog is a combination of Smoke and fog. Hence the word smog is also derived from the two words.
What is 12th smog?
The combination of smoke and fog is called smog.
Who creates smog?
Photochemical smog is produced when sunlight reacts with nitrogen oxides and at least one volatile organic compound (VOC) in the atmosphere. Nitrogen oxides come from car exhaust, coal power plants, and factory emissions. VOCs are released from gasoline, paints, and many cleaning solvents.
How are cars smogged?
Most of the time, you can take your car to any certified smog test location. Sometimes, your registration renewal form will tell you that your smog check must be performed at a STAR station. STAR stations meet higher performance standards as defined by the California Bureau of Automotive Repair.
What kind of colloid is smog?
Some colloids are translucent because of the Tyndall effect, which is the scattering of light by particles in the colloid. Other colloids may be opaque or have a slight color. Many familiar substances, including butter, milk, cream, aerosols (fog, smog, smoke), asphalt, inks, paints, glues, and sea foam are colloids.
What is smog What are the various reasons for the presence of smog in the northern region of India during the month of November?
The conventional explanation for the Delhi smog (in fact, it impacts large parts of North India) is the burning of rice straw by the farmers of Punjab (primarily), Haryana and western Uttar Pradesh. The farmers use mechanical harvesters in order to cut, thresh and clean rice from paddy.
When did the smog stop in London?
After five days of living in a sulfurous hell, the Great Smog finally lifted on December 9, when a brisk wind from the west swept the toxic cloud away from London and out to the North Sea.
How can we stop smog?
On Days when High Particle Levels are Expected, Take these Extra Steps to Reduce Pollution: Reduce the number of trips you take in your car. Reduce or eliminate fireplace and wood stove use. Avoid burning leaves, trash, and other materials. Avoid using gas-powered lawn and garden equipment.
When was the last smog in London?
On 9 December 1952 the Great Smog officially ended – for five days a thick layer of air pollution, mostly caused by coal fires, had covered London and caused the deaths of thousands of residents.
What is it called when you shorten two words into one?
A contraction is a word made by shortening and combining two words. Words like can’t (can + not), don’t (do + not), and I’ve (I + have) are all contractions. People use contractions in both speaking and writing.
What is it called when you mash two words together?
portmanteau word, also called blend, a word that results from blending two or more words, or parts of words, such that the portmanteau word expresses some combination of the meaning of its parts.
What part of speech is the word smog?
A noxious mixture of particulates and gases that is the result of urban air pollution.
