3. A decoction, solution, or infusion made by drawing out from any substance that which gives it its
essential and characteristic virtue; essence; as, extract of beef; extract of dandelion; also, any substance
so extracted, and characteristic of that from which it is obtained; as, quinine is the most important extract
of Peruvian bark.
4. (Med.) A solid preparation obtained by evaporating a solution of a drug, etc., or the fresh juice of a
plant; — distinguished from an abstract. See Abstract, n., 4.
5. (Old Chem.) A peculiar principle once erroneously supposed to form the basis of all vegetable extracts; —
called also the extractive principle. [Obs.]
6. Extraction; descent. [Obs.] South.
7. (Scots Law) A draught or copy of writing; certified copy of the proceedings in an action and the judgement
therein, with an order for execution. Tomlins.
Fluid extract (Med.), a concentrated liquid preparation, containing a definite proportion of the active
principles of a medicinal substance. At present a fluid gram of extract should represent a gram of the
crude drug.
Extractable
(Ex*tract"a*ble Ex*tract"i*ble) a. Capable of being extracted.
Extractiform
(Ex*tract"i*form) a. (Chem.) Having the form, appearance, or nature, of an extract.
Extraction
(Ex*trac"tion) n. [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.
Extractive
(Ex*tract"ive) a. [Cf. F. extractif.]
1. Capable of being extracted. "Thirty grains of extractive matter." Kirwan.
2. Tending or serving to extract or draw out.
Certain branches of industry are conveniently designated extractive: e.g., agriculture, pastoral and mining
pursuits, cutting of lumber, etc.
Cairnes. Extractive
(Ex*tract"ive), n.
1. Anything extracted; an extract.
Extractives, of which the most constant are urea, kreatin, and grape sugar.
H. N. Martin.
