PDF LB&I Concept Unit Knowledge Base - International chlorofluorocarbon: (klôr′ō-flo͝or′ō-kär′bən, -flôr′-) n. Abbr. Chlorofluorocarbon, appropriately named CFC and also known as Freon, is a combination of carbon, fluorine, and chlorine. chlorofluorocarbons; gases used for refrigeration that destroy ozone. Chlorofluorocarbons and Ozone Depletion - American ... History of Chlorofluorocarbons The Montreal Protocol was adopted as a framework for international cooperation regarding CFC control on the basis of the Vienna Convention for the Protection of the Ozone Layer. They are also commonly known by the DuPont brand name Freon . The principal chlorofluorocarbons which have been used are CCl 3 F, CCl 2 F 2, and CHClF 2. CHLOROFLUOROCARBON | meaning in the Cambridge English ... CFCs have become discredited because of their effect on the ozone layer. In any given year, a CFC is either a "tested income CFC" or a "tested loss CFC" but not both. Chlorofluorocarbons are highly effective refrigerants, which were developed in response to the need to reduce toxic and flammable substances from refrigerators and air conditioning units. Hydrochlorofluorocarbons - Encyclopedia.com Chlorofluorocarbons are far less abundant than carbon dioxide in the atmosphere, but they are 10,000 times more powerful as a greenhouse gas and can remain in the atmosphere for more than 45 to 100 years. Here, control means direct or indirect ownership of 1. Prop. CFCs are now thought to be harmful to . chlorofluorocarbons 1. Choose from 45 different sets of chlorofluorocarbon flashcards on Quizlet. Chlorofluorocarbon, appropriately named CFC and also known as Freon, is a combination of carbon, fluorine, and chlorine. chlorofluorocarbon noun [ C or U ] chemistry, environment specialized uk / ˌklɔː.rəʊˌflɔː.rəˈkɑː.b ə n / us / ˌklɔːr.oʊˌflɔːr.oʊˈkɑːr.b ə n / → CFC SMART Vocabulary: related words and phrases Chemicals, chemical compounds & gases acetic acid acetone acrolein acrylamide adenine aldehyde alkaline earth metal benzoic acid Calor gas ethyl alcohol CFCs have become discredited because of their effect on the ozone layer. Ozone depletion - Wikipedia Here the chlorofluorocarbons react with the ozone layer in the presence of ultraviolet radiation and cause it to break down into oxygen molecules. Looking for online definition of CFCS or what CFCS stands for? Open Split View. Chlorofluorocarbons are various compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants. 167. Discover the properties and many uses, dangerous consequences, and . CFCS - What does CFCS stand for? The Free Dictionary In 2021, no matter how much you make money, what you experience is good or bad. CHLOROFLUOROCARBON English Definition and Meaning | Lexico.com The Mechanics of GILTI Similar to subpart F, GILTI is an anti-deferral regime applicable to U.S. shareholders of CFCs. 2556. Controlled foreign companies - SAICA Many CFCs have been widely used as refrigerants, propellants (in aerosol applications), and . Skimming the CFC Charity List you will see AFR percentages like 1.8%, 15.4%, 25.5%, 41.7%, and even 81.8%, and . CFC News - Dec. 24, 2021. Definition of chlorofluorocarbon written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. A company registered in and regulated by a foreign country that has at least 50% American ownership.Setting up a corporation in a foreign country may have tax advantages; for example, a country may encourage companies to register in it by having no corporate tax.The IRS works within the context of foreign treaties to determine how earnings from controlled foreign corporations are taxed in the . CFC-113a is the only known CFC whose abundance in the atmosphere is still growing. CFC-113a seems to have been accumulating unabated since 1960. Chlorofluorocarbons, the ozone-eating refrigerants banned by the Montreal Protocol, are declining. 127 CFC means a Person that is a controlled foreign corporation under Section 957 of the Code. Chlorofluorocarbons are non-toxic, non-flammable chemicals containing atoms of carbon, chlorine and fluorine. Only $19.99. These are often referred to as CFC-11, CFC-12, and CFC-22, respectively; alternatively, the abbreviations F-11, F-12, and F-22 are used, after the Dupont trade name Freon. Depletion of the ozone layer is the progressive thinning of the upper atmosphere of the earth's ozone layer due to the release of chemical compounds containing gaseous bromine or . A CFC is defined as a foreign company in which more than 50% of the participation rights or voting rights are (directly or indirectly) held by SA residents. chlorofluorocarbon: 1 n a fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans Synonyms: CFC Types: HCFC , hydrochlorofluorocarbon a fluorocarbon that is replacing chlorofluorocarbon as a refrigerant and propellant in aerosol cans; considered to be somewhat less destructive to the atmosphere Freon any . See more. Chlorofluorocarbon (CFC) is a gaseous compound made of three elements, carbon, chlorine and fluorine (and sometimes hydrogen). The chlorofluorocarbon molecules in the stratosphere are broken down by ultraviolet radiation and chlorine atoms are released. Cfc Definition from Science & Technology Dictionaries & Glossaries. Hydrochlorofluorocarbons (HCFCs) are compounds made up of hydrogen , chlorine , fluorine, and carbon atoms . Chlorofluorocarbon (CFC) A chlorofluorocarbon (CFC) is an organic compound typically consisting of chlorine, fluorine, carbon, and hydrogen. Sec. Specifically, the treaty called for the discontinuation of production of CFCs and some related compounds (e.g., carbon tetrachloride and methyl chloroform) by January 1, 1996. Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol . chlorofluorocarbons: A range of compounds, composed of chlorine, fluorine, carbon and hydrogen, used as aerosol propellants and refrigerants. Remove Advertising. A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, and fluorine, produced as a volatile derivative of methane, ethane, and propane.They are also commonly known by the DuPont brand name Freon.The most common representative is dichlorodifluoromethane (R-12 or Freon-12). In the United States, a CFC is a foreign corporation in which U.S. shareholders own more than 50% of the total combined voting power of all voting stock or the total value of the company's stock. Pronounced "KLOR-oh-FLOR-oh-kar-bunz" (mostly fluoromethane refrigerants such as Freon, abbreviated CFC's; along with hydrochlorofluorocarbons, HCFC's, they are implicated in upper atmospheric . CFCS is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary HCFCs and their cousins, hydrofluorocarbons (HFCs), were created in the 1980s as substitutes for chlorofluorocarbons (CFCs) for use in refrigeration and a wide variety of manufacturing processes. Carbon Emissions by Country: Top 15. Conditional Call Forward Energy Dictionaries. ETSI and 3GPP. Pronunciation chlorofluorocarbon /ˌklôrōˌflôrōˈkärbən/ /ˌklɔroʊˌflɔroʊˈkɑrbən/ Origin 1940s from chloro- + fluoro- + carbon. hydrofluorocarbon (HFC), any of several organic compounds composed of hydrogen, fluorine, and carbon.HFCs are produced synthetically and are used primarily as refrigerants. The ultimate step-by-step ebook about sourcing from China, especially for U.S. importers [2021] Learn more. These rules have also been broadened to include the definition of a CFC if more than 50 percent of either the value of all of the outstanding stock or the total combined voting power is owned by U.S. shareholders. chlorofluorocarbon: 1 n a fluorocarbon with chlorine; formerly used as a refrigerant and as a propellant in aerosol cans Synonyms: CFC Types: HCFC , hydrochlorofluorocarbon a fluorocarbon that is replacing chlorofluorocarbon as a refrigerant and propellant in aerosol cans; considered to be somewhat less destructive to the atmosphere Freon any . Other CFCs and HCFCs have ODPs that range from 0.01 to 1.0. As an example, our study shows a GWP 100-year value for CFC-12 of nearly 12,000, meaning that with this metric, CFC-12 has a climate impact nearly 12,000 times greater than CO 2 per kg emitted. They move to the stratosphere and are broken down by strong ultraviolet (UV) light, where they release chlorine atoms that then deplete the ozone layer. chlorofluorocarbons: A range of compounds, composed of chlorine, fluorine, carbon and hydrogen, used as aerosol propellants and refrigerants. Definition of cfc noun in Oxford Advanced American Dictionary. Any of various compounds consisting of carbon, hydrogen, chlorine, and flourine used as refrigerants. A chlorofluorocarbon (CFC) is an organic compound that contains only carbon, chlorine, and fluorine, produced as a volatile derivative of methane, ethane, and propane.They are also commonly known by the DuPont brand name Freon.The most common representative is dichlorodifluoromethane (R-12 or Freon-12). Find the answers with Practical English Usage online, your indispensable guide to problems in English. Pronunciation of chlorofluorocarbons with 2 audio pronunciations, 10 translations, 2 sentences and more for chlorofluorocarbons. See more. 'The old chlorofluorocarbon refrigerants, or CFC's, that were shown to be harmful to the ozone layer have not been installed in new refrigerators since 1993.' 'My example of an immediate man-made global environmental crisis is the one created by the profligate use of chlorinated-fluorocarbon refrigerants - the gas used in refrigerators.' You may want to improve your pronunciation of ''chlorofluorocarbons'' by saying one of the nearby words below: chlorine chloride chlorophyll chloe chlamydia chl chloroform chloroplasts chlorinated chloroplast chlorides chlorines chlorothalonil chloramphenicol chlorination chlorpyrifos chlorate chlorella chloramine chladni chlorinate chlothar Thus, the ODP of CFC-11 is defined to be 1.0. CFC Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants and refrigerants. Chlorofluorocarbons ( CFCs) and hydrochlorofluorocarbons ( HCFCs) are fully or partly halogenated paraffin hydrocarbons that contain only carbon (C), hydrogen (H), chlorine (Cl), and fluorine (F), produced as volatile derivatives of methane, ethane, and propane. Growth in the number of participating national charities was slow -- from 23 in 1969 to only 33 in 1979. The Japanese CFC regime is a mechanism to include income generated by a Controlled Foreign Company (CFC) in its Japanese parent company's income and tax it in Japan in the hands of the Japanese parent company under certain conditions in order to deter tax avoidance by utilizing CFCs. Learn more. Its source remains a mystery, but illegal manufacturing is suspected by some. chlorofluorocarbons (klōr'əflo͝or`əkär'bənz, klôr'-) (CFCs), organic compounds that contain carbon, chlorine, and fluorine atoms. Listen to the audio pronunciation in English. Definition of chlorofluorocarbon written for English Language Learners from the Merriam-Webster Learner's Dictionary with audio pronunciations, usage examples, and count/noncount noun labels. QBAI is the average of a tested income CFC's aggregate adjusted bases as of the close of each quarter of the CFC's year in specified tangible property that is used in a trade or business of the tested income CFC, and is property to which a . The ODP is the ratio of the impact on ozone of a chemical compared to the impact of a similar mass of CFC-11. A few common products include Freon and other refrigerants. Chlorofluorocarbons or CFCs (also known as Freon) are non-toxic, non-flammable and non-carcinogenic.They contain fluorine, carbon atoms and chlorine atoms. chlorofluorocarbon noun /ˌklɔːrəʊˈflʊərəʊkɑːbən/ /ˌklɔːrəʊˈflʊrəʊkɑːrbən/ (chemistry) a CFC; a compound containing carbon, fluorine and chlorine that is harmful to the ozone layer Questions about grammar and vocabulary? Volatile chlorofluorocarbons are believed to cause depletion of the atmospheric ozone layer. CFCs are very stable in the troposphere. IRC 954(d)(3) provides that a person is a related person of a CFC if the person controls or is controlled by the CFC, or if the person and the CFC are controlled by the same person. Regs. Such atoms react with and kill ozone. L'abréviation CFC peut désigner une structure cristalline (cubique à faces centrées) ou un ensemble de composés chimiques contenant notamment du chlore et du fluor, les chlorofluorocarbones. They are organic chemicals and contain carbon, (sometimes hydrogen,) chlorine, and fluorine. CFCs are particularly harmful when released into the atmosphere because of their destructive reaction with O-zone particles, which provide the Earth with a protective layer against UV radiation. If CFC production continued, however, ozone loss would be even greater. 1928 : 1974 : 1987 : 1997 : 2005 : Ozone depleting CFCs CFCs HCFCs CFC alternatives HFCs PFCs SF6 Global warming Chlorofluorocarbons . Definition and synonyms of chlorofluorocarbon from the online English dictionary from Macmillan Education. 127 CFC. How to say chlorofluorocarbons in English? Chlorofluorocarbons (CFC) are gases used for various purposes including solvents, refrigerants and aerosol sprays. This video shows you how to say Chlorofluorocarbon.Search thousands of free items near you and online exclusively at http://pesolasso.com/Discover the pronun. After an International Treaty signed in 1973, the use of CFCs was lowered and subsequently banned. chlorofluorocarbon: (klôr′ō-flo͝or′ō-kär′bən, -flôr′-) n. Abbr. Volatile chlorofluorocarbons are believed to cause depletion of the atmospheric ozone layer. What does chlorofluorocarbon mean? View American English pronunciation of chlorofluorocarbon. Chlorofluorocarbons were once used as propellants in these inhalers, but their use is now widely banned. Learn chlorofluorocarbon with free interactive flashcards. What does chlorofluorocarbon mean? Compounds formed when some or all of the hydrogen atoms in a hydrocarbon have been replaced with chlorine and fluorine. (CFCs) Compounds of chlorine and fluorine once much used as aerosol propellants and refrigerants, and in foam packaging; now known to deplete the ozone layer and act as greenhouse gases. 2. Figure 12 shows the atmospheric concentrations of chlorofluorocarbons. The numbers are based on a system developed by chemists at DuPont. Looking for online definition of CFC or what CFC stands for? Chlorofluorocarbons were once used as propellants in these inhalers, but their use is now widely banned. Sample 1. "Specified tangible property" generally means tangible property used in the . "When we realized there was a very effective chain reaction, that changed the CFC investigation from an interesting scientific problem to one that had major environmental consequences," Rowland told Chemical & Engineering News in an extensive interview in 2007. . In the 1980s, it was observed that the ozone layer . Use our interactive phonemic chart to hear each symbol spoken, followed by an example of the sound in a word. Core Environmental Impacts. The result is the depletion of the Ozone Layer. 951A-3 restates the codified definition of QBAI as the average of a tested income CFC's aggregate adjusted bases in specified tangible property that is used in the CFC's trade or business and is a type for which a deduction is allowed under Sec. Change your default dictionary to American English. Up through the 1970's, the Combined Federal Campaign (CFC) was a relatively non-controversial program in terms of the charities allowed to participate. Telecommunication Dictionaries. The 5 main CFCs are CFC-11 (trichlorofluoromethane - CFCl 3), CFC-12 (dichlorodifluoromethane - CF 2 Cl 2), CFC-113 (trichlorotrifluoroethane - C 2 F 3 Cl 3), CFC-114 (dichlorotetrafluoroethane - C 2 F 4 Cl 2), and CFC-115 . CFC Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants and refrigerants. Many CFCs have been widely used as refrigerants, propellants (in aerosol applications), and . Chlorofluorocarbon definition, any of several volatile, inert, saturated compounds of carbon, fluorine, chlorine, and hydrogen: used as refrigerants, foam-blowing agents, solvents, and, formerly, as aerosol propellants until scientists became concerned about depletion of the atmospheric ozone layer. A company registered in and regulated by a foreign country that has at least 50% American ownership.Setting up a corporation in a foreign country may have tax advantages; for example, a country may encourage companies to register in it by having no corporate tax.The IRS works within the context of foreign treaties to determine how earnings from controlled foreign corporations are taxed in the . chlorofluorocarbon pronunciation. Volatile chlorofluorocarbons are believed to cause depletion of the atmospheric ozone layer. They became widely used for this purpose beginning in the late 1980s, with the introduction of the Montreal Protocol, which phased out the use of chemicals such as halons and chlorofluorocarbons (CFCs) that contribute to . Between 2012 and 2017, concentrations of the gas jumped by 40 percent. Pronunciation of CFC with 1 audio pronunciation, 6 synonyms, 1 meaning, 5 translations, 4 sentences and more for CFC. definition. A South African resident with an interest in a controlled foreign company (CFC) may be taxed on the net income of that CFC, subject to certain exclusions and exemptions. Destruction of ozone by chlorine; Presence of chlorine in chlorofluorocarbon chlorofluorocarbonA compound consisting of chlorine, fluorine, and carbon. Chlorofluorocarbons, also known as CFCs, consist of chemical compounds made up of chlorine, fluorine and carbon. CFC Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants and refrigerants. This is the British English pronunciation of chlorofluorocarbon. You just studied 12 terms! View the pronunciation for chlorofluorocarbon. bon (klôr′ō-flo͝or′ō-kär′bən, -flôr′-) n. Abbr. 1. (Warming due to carbon dioxide jumped by half in 25 years, NOAA) Carbon tetrachloride (CCl4), which was once used in applications such as dry cleaning and as a fire-extinguishing agent, was regulated in 1987 under the Montreal Protocol along with other chlorofluorocarbons that . Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more. Any of various halocarbon compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol . CFCs are highly effective refrigerants that were developed in response to the pressing need to eliminate toxic and flammable substances, such as sulfur dioxide and ammonia, in refrigeration units and air conditioners. Discover the properties and many uses, dangerous consequences, and . EIA Energy Glossary. Definition of chlorofluorocarbon : any of several simple gaseous compounds that contain carbon, chlorine, fluorine, and sometimes hydrogen, that are used as refrigerants, cleaning solvents, and aerosol propellants and in the manufacture of plastic foams, and that are believed to be a major cause of stratospheric ozone depletion —abbreviation CFC See Chlorofluorocarbon. How to say CFC in English? How to say chlorofluorocarbon. They have been commonly used in aerosol sprays . One of these ozone-depleting substances, CFC-12, traps nearly 11,000 times the heat of carbon dioxide. Freon, a trade name, is often used to refer to CFCs, which were invented in the 1930s and have been used widely as aerosol propellants, refrigerants, and solvents. This is the British English definition of chlorofluorocarbon.View American English definition of chlorofluorocarbon. Remember, if you are healthy this year, it is the best year! Definition and synonyms of chlorofluorocarbon from the online English dictionary from Macmillan Education. Nice work! Now up your study game with Learn mode. CFC is listed in the World's largest and most authoritative dictionary database of abbreviations and acronyms The Free Dictionary Manufacturers have used this compound to make cleaning solvents, refrigerants, and aerosol propellants, in some cases, even plastic foams. Context examples . zone Depletion Potential A number that refers to the amount of ozone depletion caused by a substance. These AFR percentages vary from just a few percentage points to a higher percentile. 1. or another controlled foreign corporation. Definition, Causes, and Impact. Freon definition, a brand name for any of a class of liquid or gaseous fluorocarbon or chlorofluorocarbon products, used chiefly as refrigerants. Chlorofluorocarbons are various compounds consisting of carbon, hydrogen, chlorine, and fluorine, once used widely as aerosol propellants. 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