*extract*

n. 1. That which is extracted or drawn out. [ 1913 Webster ]

2. A portion of a book or document, separately transcribed; a citation; a quotation. [ 1913 Webster ]

3. A decoction, solution, or infusion made by dissolving 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. [ 1913 Webster ]

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. [ 1913 Webster ]

5. (Old Chem.) A peculiar principle once erroneously supposed to form the basis of all vegetable extracts; -- called also the extractive principle. [ Obs. ] [ 1913 Webster ]

6. Extraction; descent. [ Obs. ] South. [ 1913 Webster ]

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. [ 1913 Webster ]

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.

{ } a. Capable of being extracted. [ 1913 Webster ]

a. (Chem.) Having the form, appearance, or nature, of an extract. [ 1913 Webster ]

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. [ 1913 Webster ]

2. Derivation from a stock or family; lineage; descent; birth; the stock from which one has descended. “A family of ancient extraction.” Clarendon. [ 1913 Webster ]

3. That which is extracted; extract; essence. [ 1913 Webster ]

They [ books ] do preserve as in a vial the purest efficacy and extraction of that living intellect that bred them. Milton. [ 1913 Webster ]

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. [ 1913 Webster ]

a. [ Cf. F. extractif. ] 1. Capable of being extracted. “Thirty grains of extractive matter.” Kirwan. [ 1913 Webster ]

2. Tending or serving to extract or draw out. [ 1913 Webster ]

Certain branches of industry are conveniently designated extractive: e.g., agriculture, pastoral and mining pursuits, cutting of lumber, etc. Cairnes. [ 1913 Webster ]

n. 1. Anything extracted; an extract. [ 1913 Webster ]

Extractives, of which the most constant are urea, kreatin, and grape sugar. H. N. Martin. [ 1913 Webster ]

2. (Chem.) (a) A chemical principle once supposed to exist in all extracts. [ Obs. ] (b) Any one of a large class of substances obtained by extraction, and consisting largely of nitrogenous hydrocarbons, such as xanthin, hypoxanthin, and creatin extractives from muscle tissue. [ 1913 Webster ]

n. 1. One who, or that which, extracts; as: (a) (Surg.) A forceps or instrument for extracting substances. (b) (Breech-loading Firearms) A device for withdrawing a cartridge or spent cartridge shell from the chamber of the barrel. [ 1913 Webster ]

2. A centrifugal drying machine. [ Webster 1913 Suppl. ]

3. (Apiculture) A machine for clearing combs of honey; also, a device for rendering wax. [ Webster 1913 Suppl. ]

[ Named after the introducer, Thomas Goulard, a French surgeon. ] (Med.) An aqueous solution of the subacetate of lead, used as a lotion in cases of inflammation. Goulard's cerate is a cerate containing this extract. [ 1913 Webster ]