American English

Definition of fractional distillation noun from the Oxford Advanced American Dictionary

 

fractional distillation

 noun
noun
 
[uncountable] (chemistry)
 
jump to other results
the process of separating the parts of a liquid mixture by heating it. As the temperature goes up, each part in turn becomes a gas, which then cools as it moves up a tube and can be collected as a liquid.
See the Oxford Advanced Learner's Dictionary entry: fractional distillation