Fractional distillation
Distillation Dis`til*la"tion (d[i^]s`t[i^]l*l[=a]"sh[u^]n), n. [F. distillation, L. destillatio.] 1. The act of falling in drops, or the act of pouring out in drops. [1913 Webster]

2. That which falls in drops. [R.] --Johnson [1913 Webster]

3. (Chem.) The separation of the volatile parts of a substance from the more fixed; specifically, the operation of driving off gas or vapor from volatile liquids or solids, by heat in a retort or still, and the condensation of the products as far as possible by a cool receiver, alembic, or condenser; rectification; vaporization; condensation; as, the distillation of illuminating gas and coal, of alcohol from sour mash, or of boric acid in steam. [1913 Webster]

Note: The evaporation of water, its condensation into clouds, and its precipitation as rain, dew, frost, snow, or hail, is an illustration of natural distillation. [1913 Webster]

4. The substance extracted by distilling. --Shak. [1913 Webster]

{Destructive distillation} (Chem.), the distillation, especially of complex solid substances, so that the ultimate constituents are separated or evolved in new compounds, -- usually requiring a high degree of heat; as, the destructive distillation of soft coal or of wood.

{Dry distillation}, the distillation of substances by themselves, or without the addition of water or of other volatile solvent; as, the dry distillation of citric acid.

{Fractional distillation}. (Chem.) See under {Fractional}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • Fractional distillation — is the separation of a mixture into its component parts, or fractions, such as in separating chemical compounds by their boiling point by heating them to a temperature at which several fractions of the compound will evaporate. It is a special… …   Wikipedia

  • Fractional distillation — Fractional Frac tion*al, a. 1. Of or pertaining to fractions or a fraction; constituting a fraction; as, fractional numbers. [1913 Webster] 2. Relatively small; inconsiderable; insignificant; as, a fractional part of the population. [1913… …   The Collaborative International Dictionary of English

  • fractional distillation — noun fractionation of a liquid by distillation • Hypernyms: ↑fractionation, ↑fractional process * * * ˌfractional distilˈlation 7 [fractional distillation] noun …   Useful english dictionary

  • fractional distillation — frakcinė distiliacija statusas T sritis fizika atitikmenys: angl. fractional distillation vok. fraktionierte Destillation, f rus. дробная дистилляция, f; фракционная дистилляция, f pranc. distillation fractionnée, f …   Fizikos terminų žodynas

  • fractional distillation — frakcinis distiliavimas statusas T sritis chemija apibrėžtis Distiliavimas, kurio metu distiliatas surenkamas į atskirus rinktuvus pagal virimo temperatūrą. atitikmenys: angl. fractional distillation rus. дробная перегонка; разгонка; фракционная… …   Chemijos terminų aiškinamasis žodynas

  • fractional distillation — distillation in which volatilizable substances are separated in the order of their respective volatility …   Medical dictionary

  • fractional distillation — Chem. the separation of volatile components of different boiling points in a mixture by the gradual increase of temperature and the separate collection of each component. [1855 60] * * * …   Universalium

  • fractional distillation — Смотри дробная перегонка …   Энциклопедический словарь по металлургии

  • fractional distillation — Separation of the components of a liquid mixture by vaporizing it and collecting the fractions, which condense in different temperature ranges …   Petroleum refining glossary

  • Fractional distillation —   the process of refining crude oil into various oil products. The various products are separated out in the order of their boiling points.   California Energy Comission. Dictionary of Energy Terms …   Energy terms

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”