Definify.com
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 tincture2.
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.
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.