DISTILLATION

distillation, distillment

(noun) the process of purifying a liquid by boiling it and condensing its vapors

distillate, distillation

(noun) a purified liquid produced by condensation from a vapor during distilling; the product of distilling

Source: WordNet® 3.1

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Etymology

Noun

distillation (countable and uncountable, plural distillations)

The act of falling in drops, or the act of pouring out in drops.

That which falls in drops.

(chemistry, chemical engineering) The separation of more volatile parts of a substance from less volatile ones by evaporation and condensation.

Purification through repeated or continuous distilling; rectification.

(petroleum) Separation into specific hydrocarbon groups; fractionation.

The substance extracted by distilling.

Source: Wiktionary

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Dis`til*la"tion, n. Etym: [F. distillation, L. destillatio.]

1. The act of falling in drops, or the act of pouring out in drops.

2. That which falls in drops. [R.] Johnson

3. (Chem.)

Definition: 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.

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.

4. The substance extracted by distilling. Shak. 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.

Source: Webster’s Unabridged Dictionary 1913 Edition

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