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.

(Ex*tract"a*ble Ex*tract"i*ble) a. Capable of being extracted.

(Ex*tract"i*form) a. (Chem.) Having the form, appearance, or nature, of an extract.

(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.

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.

(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.

(Ex*tract"ive), n.

1. Anything extracted; an extract.

Extractives, of which the most constant are urea, kreatin, and grape sugar.
H. N. Martin.

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.

  By PanEris using Melati.

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