olefin

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Related to olefinic: allylic

o·le·fin

 (ō′lə-fĭn)
n.
1. Any of a class of unsaturated open-chain hydrocarbons having at least one double bond.
2. A fiber or fabric made of this material.

[French (gaz) oléfiant, oil-forming (gas), ethylene : Latin oleum, oil; see oil + French -fiant, present participle of -fier, -fy.]

o′le·fin′ic adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

al•kene

(ˈæl kin)

n.
any member of the homologous series of unsaturated, aliphatic hydrocarbons having at least one double bond and the general formula CnH2n, as ethlyene. Also called olefin .
[1895–1900]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

o·le·fin

(ō′lə-fĭn)
See alkene.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.olefin - any unsaturated aliphatic hydrocarbon
aliphatic compound - organic compound that is an alkane or alkene or alkyne or their derivative
ethene, ethylene - a flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals; sometimes used as an anesthetic
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
HNBR is a widely used elastomer for which properties can be tailored through variation of the degree of nitrile and olefinic groups along the polymer chain.
It is widely used to convert the high-boiling, high-molecular-weight hydrocarbon fractions of petroleum crude oils into more valuable gasoline, olefinic gases, and other products.
This technology is based on KBR's catalytic olefins technology (K-Cot) which is a commercially proven fluidised-bed technology for converting low-value olefinic, paraffinic or mixed streams into high-value propylene and ethylene, said a statement from the company.
The company said the K-PRO technology is based on catalytic olefins technology (K-COT) , which is a commercially proven fluidized-bed technology for converting low-value olefinic, paraffinic or mixed streams into high-value propylene and ethylene.
[USPRwire, Thu Oct 18 2018] Polyolefin resins are resins manufactured from hydrocarbon sources containing one or multiple olefinic or alkelyn groups.
KBR K-COT is a commercially proven and flexible technology for converting low-value olefinic, paraffinic or mixed streams into high value propylene and ethylene.
The IR spectrum showed diagnostic absorption broad band between 3430-3410 for hydroxyl and secondary amine groups and at 1626 cm-1for olefinic system.
Some aromatic compounds such as toluene (To) and xylenes (Xy) were identified by GC-MS but many peaks could not be assigned because cyclic alkanes and olefinic compounds have the same molecular weights.
Knoevenagel condensation reaction has been widely used for the formation of new olefinic scaffolds [1].
Plasma activation is also suitable for use with metals and textiles, as well as with all non-' polar materials such as olefinic plastics and recycled materials, which would be very difficult to treat without undergoing this targeted modification.