isoprene
noun
iso·prene
ˈī-sə-ˌprēn 
: a flammable liquid unsaturated hydrocarbon C5H8 used especially in synthetic rubber
Examples of isoprene in a Sentence
Recent Examples on the Web
Because their feedstock is plants that fixed atmospheric CO₂, their isoprene can be carbon-negative.
—
Srishti Gupta,
Interesting Engineering,
16 Feb. 2026
The allocation of substantial resources towards isoprene formation indicates its importance.
—
Jay Kakade
june 30,
New Atlas,
30 June 2025
The mountains get their distinctive dark blue hue from the presence of the chemical isoprene found in many regional plants.
—
Travel + Leisure,
10 Mar. 2022
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Srishti Gupta,
Interesting Engineering,
16 Feb. 2026
The allocation of substantial resources towards isoprene formation indicates its importance.
—
Jay Kakade
june 30,
New Atlas,
30 June 2025
The mountains get their distinctive dark blue hue from the presence of the chemical isoprene found in many regional plants.
—
Travel + Leisure,
10 Mar. 2022
Cite this Entry
“Isoprene.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/isoprene. Accessed 7 Jul. 2026.
Copy CitationKids Definition
isoprene
noun
iso·prene
ˈī-sə-ˌprēn
: a compound used especially in making synthetic rubber
Medical Definition
isoprene
noun
iso·prene
ˈī-sə-ˌprēn
: a flammable liquid unsaturated hydrocarbon C5H8 used especially in synthetic rubber
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