Explosions produce a "shockwave" particle effect. In household accidents, the principal explosive gases are those used for heating or cooking purposes such as natural gas, methane, propane, butane. The explosion destroyed the facade revealing a solid brick wall behind them. Stay low if there is smoke. Many substances not ordinarily classed as explosives may do one, or even two, of these things. heat and work (thermodynamics) are equivalent forms of energy. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Warning: This video contains disturbing content. Start the day smarter. Classical Latin explōdō means "to hiss a bad actor off the stage", "to drive an actor off the stage by making noise", from ex- (“out”) + plaudō (“to clap; to applaud”). Accessed 27 Jan. 2021. LOG IN; REGISTER; settings. detonation) instead converts more internal energy into work on the surroundings (i.e. An explosion shook the largely deserted streets of downtown Nashville early Christmas morning, shattering windows, damaging buildings and wounding three people. Buildings shook in the immediate area and beyond after a … The quantity of heat absorbed or given off during transformation is called the heat of formation. Définitions de explosion. Learn a new word every day. High velocity, low angle fragments can travel hundreds of metres with enough energy to initiate other surrounding high explosive items, injure or kill personnel, and/or damage vehicles or structures. Its primary goal is to equip Christians to engage others in conversations about the Bible, morality, and salvation, with a goal of leading people to saving faith. The modern meaning developed later:[5], "Explosions" redirects here. As a wood fire burns in a fireplace, for example, there certainly is the evolution of heat and the formation of gases, but neither is liberated rapidly enough to build up a sudden substantial pressure differential and then cause an explosion. The explosion aftermath at … A supernova is the biggest explosion that humans have ever seen. Please tell us where you read or heard it (including the quote, if possible). See the full definition for explosion in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for explosion, Nglish: Translation of explosion for Spanish Speakers, Britannica English: Translation of explosion for Arabic Speakers, Britannica.com: Encyclopedia article about explosion. 3. explosion \ɛk.splo.zjɔ̃\ féminin. explosion (countable and uncountable, plural explosions) A violent release of energy (sometimes mechanical, nuclear, or chemical.) The explosion is thought to have been a deliberate act of terrorism. For this reason, emergency workers often differentiate between the two events. 3. a sudden, rapid, or great increase: a population explosion. thesaurus. The island was rocked by a series of volcanic, The International Committee of the Red Cross said one of its staff members had died in the, Mohammed al-Roubid, deputy head of Aden’s health office, told the AP that at least 16 people were killed in the, Mohammed al-Roubid, deputy head of Aden’s health office, told The Associated Press that along with the 16 killed, at least 60 people were wounded in the, At least 204 people were killed, and thousands more injured in the, Authorities have identified 63-year-old Anthony Warner as the bombing suspect who killed himself in the, The vehicle's owner, Anthony Quinn Warner, 63, died in the, Neighbors told The Tennessean, part of the USA TODAY Network, that an RV similar to the one in the, Federal officials have not revealed a motive in the Christmas Day bombing that tore through downtown Nashville but said the man believed to be responsible blew himself up in the, Post the Definition of explosion to Facebook, Share the Definition of explosion on Twitter, We Added New Words to the Dictionary for January 2021. These example sentences are selected automatically from various online news sources to reflect current usage of the word 'explosion.' Slippery Words Quiz—Changing with the Times. A law enforcement member walks past damage from an explosion in downtown Nashville, Tenn., Friday, Dec. 25, 2020. Another type of large astronomical explosion occurs when a very large meteoroid or an asteroid impacts the surface of another object, such as a planet. Reaction heat is measured under conditions either of constant pressure or constant volume. Login or Register. Manifestation soudaine et bruyante d'un sentiment, d'une réaction ; débordement : Une explosion de joie, de colère. An explosion is a sudden, violent change of potential energy to work, which transfers to its surroundings in the form of a rapidly moving rise in pressure called a blast wave or shock wave. Unfortunately, we don't know much more about if this is a victim or if this is connected to the explosion. On a fall day in Philadelphia when my mother was 13, she walked out of class and saw people sobbing in the hallway. An explosion occurs when a large amount of energy is released into a small volume of area in a very short time. In explosive technology only materials that are exothermic—that have a net liberation of heat and have a negative heat of formation—are of interest. Supersonic explosions created by high explosives are known as detonations and travel via shock waves. Explosive force is released in a direction perpendicular to the surface of the explosive. It is this heat of reaction that may be properly expressed as the "heat of explosion.". Explosion definition is - the act or an instance of exploding. The explosion that rattled a historic Nashville street in the predawn hours of Christmas Day came after an RV repeatedly warned of an imminent explosion. An explosion is a process where an object is reduced to smaller pieces and the pieces are being expelled from the original place. What made you want to look up explosion? During an Explosion. … Synonyms: blast, crack, burst, bang More Synonyms of … A reaction must be capable of being initiated by the application of shock, heat, or a catalyst (in the case of some explosive chemical reactions) to a small portion of the mass of the explosive material. When a chemical compound is formed from its constituents, heat may either be absorbed or released. Explosions can occur in nature due to a large influx of energy. Evangelism Explosion also holds the Bible to be inspired, inerrant, and authoritative. Local expert isn’t involved in the investigation, but said the explosion in Nashville may have come from a homemade bomb. Explosive volcanic eruptions occur when magma rising from below has much dissolved gas in it; the reduction of pressure as the magma rises causes the gas to bubble out of solution, resulting in a rapid increase in volume. Whether it's a bursting balloon or a detonating bomb, you're sure to notice an explosion. noun an act or instance of exploding; a violent expansion or bursting with noise, as of gunpowder or a boiler (opposed to implosion). [4] It is the rapid liberation of heat that causes the gaseous products of most explosive reactions to expand and generate high pressures. This arc flash hazard is a danger to persons working on energized switchgear. Boiling liquid expanding vapor explosions are one type of mechanical explosion that can occur when a vessel containing a pressurized liquid is ruptured, causing a rapid increase in volume as the liquid evaporates. In industrial explosions many other gases, like hydrogen, as well as evaporated (gaseous) gasoline (American English)/petrol (British English) or ethanol play an important role. One piece with mass m1 = 4.7 kg moves up and to the left at an angle of θ1 = 18.0° above the –x axis with a speed of v1 = 26.0 m/s. La Ville annonce un bilan provisoire de trois morts, un disparu et L'Explosion est un film franco-italo-belgo-canadien réalisé par Marc Simenon et sorti en 1971. NASHVILLE, Tenn. (NewsNation Now) — The circumstances of a downtown Nashville explosion on early Christmas morning has brought the power of the FBI and ATF to Tennessee to investigate what happened and who is responsible.“The first that came to mind was the incredible amount of damage that was done to the areas,” said homeland security and counterterrorism expert … … Après plusieurs années d’incarcération pour un vol de bijoux, Paolo, dès sa sortie de prison, se met immédiatement en route pour récupérer son butin qu’il avait caché dans un puits désaffecté d’un coin perdu de campagne. less internal energy converted into heat); c.f. Explosion Release users utilize explosive chakra in combat. “The NFPA 68 calculations tell you how much effective vent area is required for a given Pred,” he said. Subsonic explosions are created by low explosives through a slower combustion process known as deflagration. An object with total mass mtotal = 16.4 kg is sitting at rest when it explodes into three pieces. Get all the news you need in your inbox each morning. In contrast, in a shaped charge the explosive forces are focused to produce a greater local explosion; shaped charges are often used by military to breach doors or walls. The most notorious confirmed ammonium nitrate explosion prior to Tuesday was the 1947 Texas City Disaster. A massive explosion rocked downtown Nashville, Tennessee, on Christmas morning, an incident that caused destruction for several blocks and is … Explosion came minutes later and we were enveloped in a dust cloud en projetant fragments. Flame in the universe are supernovae, which occur after the end of life of some types of.., ” he said Dictionary and get thousands more definitions and advanced search—ad free homemade.!: the act or an instance of exploding the bud ' a substance burns! Many substances not ordinarily classed as explosives may do one, or even two, these... 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