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noun Chemistry.
a colorless gas, C2H2, having an etherlike odor, produced usually by the action of water on calcium carbide or by pyrolysis of natural gas: used especially in metal cutting and welding, as an illuminant, and in organic synthesis.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Acetylene
is always a great word to know.
So is ethereal. Does it mean:
| like or containing an alkali, which neutralize acids to form salts and turn red litmus paper blue, or having a pH value greater than 7 |
| pertaining to, containing, or resembling ethyl ether |
Collins
World English Dictionary
| acetylene (əˈsɛtɪˌliːn) | |
| —n | |
| 1. | Systematic name: ethyne a colourless flammable gas used in the manufacture of organic chemicals and in cutting and welding metals. Formula: C2H2 |
| 2. | a. another name for alkyne |
| b. (as modifier): acetylene series | |
| acetylenic | |
| —adj | |
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History
acetylene
1864, coined by Fr. chemist Marcelin-Pierre-Eugène Berthelot (1823-1907) from acetyl (coined from acetic in 1839 by Ger. chemist Justus von Liebig) + chemical ending -ene.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
acetylene a·cet·y·lene (ə-sět'l-ēn', -ən)
n.
A colorless, highly flammable, and explosive gas used for metal welding and cutting and as an illuminant.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
acetylene  (ə-sět'l-ēn', -ən) Pronunciation Key
A colorless, highly flammable or explosive gas with a characteristic sweet odor. It is used in welding torches and in the manufacture of organic chemicals such as vinyl chloride. Acetylene is the simplest alkyne, consisting of two carbon atoms joined by a triple bond and each attached to a single hydrogen atom. Also called ethyne. Chemical formula: C2H2. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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