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Webster 1913 Edition

Extraction

Ex-trac′tion

,
Noun.
[Cf. F.
extraction
.]
1.
The act of extracting, or drawing out;
as, the
extraction
of a tooth, of a bone or an arrow from the body, of a stump from earth, of a passage from a book, of an essence or tincture
.
2.
Derivation from a stock or family; lineage; descent; birth; the stock from which one has descended.
“A family of ancient extraction.”
Clarendon.
3.
That which is extracted; extract; essence.
They [books] do preserve as in a vial the purest efficacy and
extraction
of that living intellect that bred them.
Milton.
The extraction of roots
.
(Math.)
(a)
The operation of finding the root of a given number or quantity.
(b)
The method or rule by which the operation is performed; evolution.

Webster 1828 Edition

Extraction

EXTRAC'TION

,
Noun.
[L. extractio.] The act of drawing out; as the extraction of a tooth; the extraction of a bone or an arrow from the body; the extraction of a fetus or child in midwifery.
1.
Descent; lineage; birth; derivation of persons from a stock or family. Hence,the stock or family from which one has descended. We say, a man is of a noble extraction.
2.
In pharmacy, the operation of drawing essences, tinctures, &c. from a substance.
3.
In arithmetic and algebra, the extraction of roots is the operation of finding the root of a given number of quantity; also, the method or rule by which the operation is performed.

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