ethylene

[eth-uh-leen]Chemistry

adjective

containing the ethylene group.

noun

Also called ethene, olefiant gas. a colorless, flammable gas, C2H4, having a sweet, unpleasant odor and taste, the first member of the ethylene series, usually obtained from petroleum and natural gas: used as an agent to improve the color of citrus fruits, in the synthesis of polyethylene, ethylene dibromide, ethylene oxide, and other organic compounds, and in medicine chiefly as an inhalation anesthetic.

Origin of ethylene

First recorded in 1850–55; ethyl + -ene

Related formseth·yl·e·nic

[eth-uh-lee-nik, -len-ik] /ˌɛθ əˈli nɪk, -ˈlɛn ɪk/, adjective

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for ethylene

Contemporary Examples of ethylene

“There are similarities between propylene glycol and ethylene glycol, the anti-freeze used in automobiles,” Dale said.
My (Electronic) Cigarette Addiction
Eli Lake
January 31, 2013

Historical Examples of ethylene

Ethylene ripening of tomatoes in relation to stage of maturity.
The Tomato
Paul Work
This converts the alcohol into a gas known as ethylene (C2H4).
Creative Chemistry
Edwin E. Slosson
Acetylene combines with hydrogen in the presence of platinum black, and ethylene and then ethane result.
Acetylene, The Principles Of Its Generation And Use
F. H. Leeds
The idea held up to about 1890 was that the illuminating value depended upon the amount of ethylene present.
Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4
Various
Dichloride of ethylene is detected by shaking up the chloroform with dry potassic carbonate, and then adding metallic potassium.
Poisons: Their Effects and Detection
Alexander Wynter Blyth

British Dictionary definitions for ethylene

ethylene

noun

a colourless flammable gaseous alkene with a sweet odour, obtained from petroleum and natural gas and used in the manufacture of polythene and many other chemicals. Formula: CH 2 :CH 2Also called: ethene

Derived Formsethylenic (ˌɛθɪˈliːnɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for ethylene

1852, from ethyl + -ene, probably suggested by methylene.

ethylene in Medicine

ethylene

[ĕth′ə-lēn′]

An explosive gas derived from natural gas and petroleum infrequently used as an inhalation anesthetic.ethene
The bivalent hydrocarbon radical C2H4 that is isomeric to the ethylidene radical.

ethylene in Science

ethylene

[ĕth′ə-lēn′]

A colorless, flammable gas that occurs naturally in certain plants and can be obtained from petroleum and natural gas. As a plant hormone, it ripens and colors fruit, and it is manufactured for use in agriculture to speed these processes. It is also used as a fuel and in making plastics. Ethylene is the simplest alkene, consisting of two carbon atoms joined by a double bond and each attached to two hydrogen atoms. Also called ethene. Chemical formula: C2H4.