isobutylene

[ ahy-suh-byoot-l-een ]
/ ˌaɪ səˈbyut lˌin /

noun Chemistry.

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

QUIZZES

THIS PSAT VOCABULARY QUIZ IS PERFECT PRACTICE FOR THE REAL TEST

In our third teacher-created PSAT practice test there are new and unique vocabulary terms you may have never heard of! Can you guess what they mean?
Question 1 of 10
seclusion
Also i·so·bu·tene [ahy-suh-byoo-teen]. /ˌaɪ səˈbyu tin/.

Origin of isobutylene

First recorded in 1870–75; iso- + butylene
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021