isoprene

[ ahy-suh-preen ]

/ ˈaɪ səˌprin /

noun Chemistry.

a colorless, volatile, water-insoluble liquid, C5H8, of the terpene class, usually obtained from rubber or from oil of turpentine by pyrolysis: used chiefly in the manufacture of synthetic rubber by polymerization.

Origin of isoprene

1855–60; iso- + -pr- (< ?) + -ene; see terpene

Words nearby isoprene

isopleth, isopod, isopolity, isopor, isoprecipitin, isoprene, isoprenoid, isopropanol, isopropyl, isopropyl alcohol, isopropylbenzene

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for isoprene

Isoprene, from which Dr. Tilden produced India rubber, is comparatively a new product, as derived from oil of turpentine.
Scientific American Supplement, No. 1157, March 5, 1898|Various
This is the first instance on record of the spontaneous change of isoprene into India rubber.
Scientific American Supplement, No. 1157, March 5, 1898|Various
The difficulty lay rather in the cost of the raw material, isoprene.
Creative Chemistry|Edwin E. Slosson
Specimens of isoprene were made from several vegetable oils in the course of Dr. Tilden's work on those compounds.
Scientific American Supplement, No. 1157, March 5, 1898|Various

From this gas isoprene can be made and the isoprene converted into rubber by sodium, or acid or alkali or simple heating.
Creative Chemistry|Edwin E. Slosson

British Dictionary definitions for isoprene

isoprene

/ (ˈaɪsəʊˌpriːn) /

noun

a colourless volatile liquid with a penetrating odour: used in making synthetic rubbers. Formula: CH 2 :CHC(CH 3):CH 2Systematic name: methylbuta-1,3-diene

Word Origin for isoprene

C20: from iso- + pr (opyl) + -ene

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

Medical definitions for isoprene

isoprene

[ ī′sə-prēn′ ]

n.

A colorless volatile hydrocarbon that is the naturally occurring basis of isoprenoids and that is used in the production of synthetic rubber.

Scientific definitions for isoprene

isoprene

[ ī′sə-prēn′ ]

A colorless, volatile liquid obtained from petroleum or coal tar and occurring naturally in many plants. It is used chiefly to make synthetic rubber. The isoprene in plants occurs in the chloroplasts and is used to build terpenes and other biologically important chemicals. Chemical formula: C5H8.

单词	isoprene
释义	isoprene [ ahy-suh-preen ] / ˈaɪ səˌprin / noun Chemistry. a colorless, volatile, water-insoluble liquid, C5H8, of the terpene class, usually obtained from rubber or from oil of turpentine by pyrolysis: used chiefly in the manufacture of synthetic rubber by polymerization. Origin of isoprene 1855–60; iso- + -pr- (< ?) + -ene; see terpene Words nearby isoprene isopleth, isopod, isopolity, isopor, isoprecipitin, isoprene, isoprenoid, isopropanol, isopropyl, isopropyl alcohol, isopropylbenzene Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for isoprene Isoprene, from which Dr. Tilden produced India rubber, is comparatively a new product, as derived from oil of turpentine. Scientific American Supplement, No. 1157, March 5, 1898\|Various This is the first instance on record of the spontaneous change of isoprene into India rubber. Scientific American Supplement, No. 1157, March 5, 1898\|Various The difficulty lay rather in the cost of the raw material, isoprene. Creative Chemistry\|Edwin E. Slosson Specimens of isoprene were made from several vegetable oils in the course of Dr. Tilden's work on those compounds. Scientific American Supplement, No. 1157, March 5, 1898\|Various From this gas isoprene can be made and the isoprene converted into rubber by sodium, or acid or alkali or simple heating. Creative Chemistry\|Edwin E. Slosson British Dictionary definitions for isoprene isoprene / (ˈaɪsəʊˌpriːn) / noun a colourless volatile liquid with a penetrating odour: used in making synthetic rubbers. Formula: CH 2 :CHC(CH 3):CH 2Systematic name: methylbuta-1,3-diene Word Origin for isoprene C20: from iso- + pr (opyl) + -ene 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 Medical definitions for isoprene isoprene [ ī′sə-prēn′ ] n. A colorless volatile hydrocarbon that is the naturally occurring basis of isoprenoids and that is used in the production of synthetic rubber. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for isoprene isoprene [ ī′sə-prēn′ ] A colorless, volatile liquid obtained from petroleum or coal tar and occurring naturally in many plants. It is used chiefly to make synthetic rubber. The isoprene in plants occurs in the chloroplasts and is used to build terpenes and other biologically important chemicals. Chemical formula: C5H8. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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