from The Century Dictionary.

  • noun Chemical separation by successive operations, each removing from a liquid some proportion of one of the substances. The operation may be one of precipitation, or more familiarly of distillation.

from the GNU version of the Collaborative International Dictionary of English.

  • noun the act or process of separating a mixture into portions of different composition, as in distillation or fractional crystallization.
  • noun (Petroleum industry) Separation of crude oil into components of differing composition by fractional distillation.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry A separation process in which a certain quantity of a mixture is divided up into smaller quantities (fractions) in which the composition changes according to a gradient.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a process that uses heat to separate a substance into its components
  • noun separation into portions


Sorry, no etymologies found.


  • Hill he worked on methods of protein fractionation collaborating with Dr.A. J. P.

    Rodney R. Porter - Biography

  • The progress of the fractionation is monitored by activity measurements.

    Marie Curie - Nobel Lecture

  • Just quick question on and clarifying on the -- in terms -- in regards to our signed long-term fractionation agreement with Targa. Home Page

  • Channeling it all to market, both domestic and foreign, will require new pipelines and capacity for NGL refining, called fractionation.

    Pipe Dreams in America's New Energy Landscape

  • These protein products, which are prepared from plasma via a process known as fractionation, are used to treat a wide variety of serious and often life-threatening conditions such as shock, trauma, infections, immunological disorders, Hemophilia A and B, and other blood disorders.

    Reuters: Press Release

  • It all seems quite simple, fractionation occurs when biological material use CO2 - prefers lighter 12C.


  • This technique, called fractionation, is lifted from the field of hypnosis, and is reputed to be able to make women fall in love in as little as 14 minutes.


  • In recent years, psychiatrists have desperately sought to preserve the structure of diagnostic precision by resorting to increasing "fractionation," for example of the "bipolar spectrum into bipolar 3 disorder, bipolar 4 disorder, and so on."

    Anis Shivani: The Mass Production of Mental Illness and What To Do About It

  • In addition, in order to address the continued proliferation of thousands of new trust accounts caused by the "fractionation" of land interests through succeeding generations, the settlement establishes a $2 billion fund for the voluntary buy-back and consolidation of fractionated land interests.

    Secretary Salazar Urges Congress to Approve Settlement of Cobell Lawsuit on Native American Trust Management

  • This is fractionation which is an incredibly effective deepener and responsiveness builder . . . open/close three times, each time going even deeper, count down from three to one for eye closure and only close at one - fractionation deepener. confirming, hidden test

    Life of Brian:


Log in or sign up to get involved in the conversation. It's quick and easy.