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English-Thai Dictionary

isoprene

N ของเหลวช นิดหนึ่ง ที่ ใช้ ใน การผลิต ยาง เทียม

Webster's 1913 Dictionary

ISOPRENE

I "so *prene, n. Etym: [Etymol. uncertain. ] (Chem. )

Defn: An oily, volatile hydrocarbon, obtained by the distillation of caoutchouc or guttaipercha.C5H8 -- unsaturated, and used to make synthetic rubber by polymerization. In organic chemistry, viewed conceptually as the building block of the terpene series of hydrocarbons

New American Oxford Dictionary

isoprene

i so prene |ˈīsəˌprēn ˈaɪsəpriːn | ▶noun Chemistry a volatile liquid hydrocarbon obtained from petroleum, whose molecule forms the basic structural unit of natural and synthetic rubbers. [Chem. formula: CH 2 =C (CH 3 )CH =CH 2. ] ORIGIN mid 19th cent.: apparently from iso- ‘equal ’ + pr (opyl )ene .

Oxford Dictionary

isoprene

isoprene |ˈʌɪsə (ʊ )priːn | ▶noun [ mass noun ] Chemistry a volatile liquid hydrocarbon obtained from petroleum, whose molecule forms the basic structural unit of natural and synthetic rubbers. ●Chem. formula: CH 2 =C (CH 3 )CH =CH 2. ORIGIN mid 19th cent.: apparently from iso- ‘equal ’ + pr (opyl )ene .