isobutylene

[ ahy-suh-byoot-l-een ]

/ ˌaɪ səˈbyut lˌin /

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noun Chemistry.

a colorless, very volatile liquid or flammable gas, C4H8, used chiefly in the manufacture of butyl rubber.

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Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Also i·so·bu·tene

[ahy-suh-byoo-teen]. /ˌaɪ səˈbyu tin/.

Origin of isobutylene

First recorded in 1870–75; iso- + butylene

Words nearby isobutylene

isobathic, isobathytherm, isobilateral, isobront, isobutane, isobutylene, isobutyl nitrite, isobutyl propionate, isocarboxazid, isocarpic, isocephalic