isobutane

American  

[ahy-suh-byoo-teyn, -byoo-teyn] / ˌaɪ səˈbyu teɪn, -byuˈteɪn /

noun

Chemistry.

1. a colorless, flammable gas, C 4 H 10 , used as a fuel, as a refrigerant, and in the manufacture of gasoline by alkylation.

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Etymology

Origin of isobutane

First recorded in 1875–80; iso- + butane

Example Sentences

Greenpeace advocates in Germany had worked closely with refrigeration engineers to develop what came to be known as Greenfreeze cooling equipment: machines that used hydrocarbons, including isobutane and propane, as refrigerants.

From Salon • May 23, 2023

Propane and isobutane - also in Giorgia's deodorant - were mentioned in 123 and 38 deaths respectively.

From BBC • Jan. 26, 2023

One source of unintentional benzene comes from propellants such as isobutane.

From Seattle Times • Jun. 22, 2022

Butane exists as two isomers, n−butane and isobutane.

From Textbooks • Feb. 14, 2019

The effects are fueled by MSR IsoPro, a blend of isobutane and propane.

From Washington Post • Feb. 15, 2018