is likely misspelled.
has no English definition.
As a noun isobutane
is a hydrocarbon, a particular isomer of C4H10 found in natural gas.
isobutane
English
Noun
(
en noun)
(organic compound) A hydrocarbon, a particular isomer of C4H10 found in natural gas.
Synonyms
*
* methylpropane
Not English
has no English definition. It may be misspelled.