Chemistry. an apparatus for fractional distillation.Compare cracker(def 10).
any apparatus capable of separating complex liquid substances, as blood, into their component parts.
Origin of fractionator
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for fractionator
Historical Examples of fractionator
He inserted half a droplet of the supposed vaccine and plugged in the fractionator's power cable.
The fractionator turned itself off and he focused on and studied the slide it yielded.