propylene

noun
pro·​pyl·​ene | \ ˈprō-pə-ˌlēn How to pronounce propylene (audio) \

Definition of propylene

: a flammable gaseous hydrocarbon C3H6 obtained by cracking petroleum hydrocarbons and used chiefly in organic synthesis

Examples of propylene in a Sentence

Recent Examples on the Web

The facility processes light hydrocarbons including propane and propylene, materials used to make plastic and industrial products. Juan A. Lozano, USA TODAY, "Explosion, fire injures 37 at Exxon Mobil refinery in Texas," 31 July 2019 ExxonMobil Baytown Area said a unit processing propane and propylene burst into flames late Wednesday morning at the Olefins plant, forcing the city to issue a shelter-in-place order, according to Fox 26. Fox News, "Explosion, fire injure 37 at Houston-area ExxonMobil refinery," 31 July 2019 The molecule, propylene oxide, was found floating in a cloud of dust and gas known as Sagittarius B2 and is one of the most structurally intricate chemicals found in space to date. Quanta Magazine, "Interstellar Find Adds Life to Old Debate," 20 June 2016 With propylene’s optimal density and performance values, the Vector-R can keep its first stage diameter to just over a meter in size, with smaller fuel tanks. Eric Berger, Ars Technica, "After a decade of testing, propylene rocket fuel may be ready for prime time," 25 Sep. 2018 But overall, the nation's total petroleum stocks still managed to dip by 5.5 million barrels overall though thanks to declines in other oils, propane and propylene supplies. Jordan Blum, Houston Chronicle, "U.S. oil inventories keep falling, but gasoline stockpiles grow," 10 Jan. 2018 Vector has received a patent for its liquid oxygen-propylene rocket engine, three of which will power its orbital Vector-R rocket, Ars reports. Eric Berger, Ars Technica, "Rocket Report: SpaceX gets Moon launches, South Korean rocket, BE-4 wins," 28 Sep. 2018 Never used before in a larger engine, propylene has useful properties of higher density and specific impulse that will give Vector's small rocket more performance. Eric Berger, Ars Technica, "Rocket Report: SpaceX gets Moon launches, South Korean rocket, BE-4 wins," 28 Sep. 2018 Because of declines in distillates, residual fuel oils, propane, propylene and other oils, the nation's total petroleum stockpiles actually declined by 2.7 million barrels last week, despite the crude and fuel builds. Jordan Blum, Houston Chronicle, "Crude, fuel inventories continue to build," 14 Feb. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'propylene.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of propylene

1850, in the meaning defined above

Keep scrolling for more

Learn More about propylene

Statistics for propylene

Last Updated

12 Aug 2019

Look-up Popularity

Time Traveler for propylene

The first known use of propylene was in 1850

See more words from the same year

Keep scrolling for more

More Definitions for propylene

propylene

noun
pro·​pyl·​ene | \ ˈprō-pə-ˌlēn How to pronounce propylene (audio) \

Medical Definition of propylene

: a flammable gaseous hydrocarbon C3H6 obtained by cracking petroleum hydrocarbons and used chiefly in organic synthesis

called also propene

More from Merriam-Webster on propylene

Britannica.com: Encyclopedia article about propylene

Comments on propylene

What made you want to look up propylene? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

a wrong name or inappropriate designation

Get Word of the Day daily email!

Test Your Vocabulary

Summer 2019 Words of the Day Quiz

  • a-bowl-of-peach-sorbet-with-cut-peaches-next-to-it
  • Which is a synonym of desideratum?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!