Word Pronunciation & Dictionary

isoprene

/ˈaɪsəˌpɹin/

Word Rarity Very rare

Frequency: Zipf frequency 1.77 in modern English

Syllables: iso-prene
IPA: /ˈaɪsəˌpɹin/

10

Scrabble Score

8

Letters

2

Syllables

7

Unique Chars

Meaning

noun

An unsaturated hydrocarbon, C₅H₈, that is readily polymerized; natural rubber (caoutchouc) is cis-1,4-polyisoprene, and trans-1,4-polyisoprene is present in gutta-percha and balata; it is the structural basis for the terpenes.

Etymology

Coined (1860) by British chemist C. G. Williams, from iso- (“equal; different, isomeric”) + pr(op)- (“three carbon prefix”) + -ene (“alkene suffix”). A misnomer.

Regional Pronunciation

American English: /ˈaɪsəˌpɹin/
British English: /ˈaɪsə(ʊ)pɹiːn/

Inflected Forms

isoprenes (plural)

Derived Forms

chloroprene isoprenic isoprenogenesis isoprenoid isoprenyl neoprene polyisoprene

Synonyms

2-methyl-1,3-butadiene

Questions

How do you pronounce isoprene?: The recorded pronunciation is /ˈaɪsəˌpɹin/.
What does isoprene mean?: An unsaturated hydrocarbon, C₅H₈, that is readily polymerized; natural rubber (caoutchouc) is cis-1,4-polyisoprene, and trans-1,4-polyisoprene is present in gutta-percha and balata; it is the structural basis for the terpenes.
Where does isoprene come from?: Coined (1860) by British chemist C. G. Williams, from iso- (“equal; different, isomeric”) + pr(op)- (“three carbon prefix”) + -ene (“alkene suffix”). A misnomer.

How to pronounce isoprene

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