Category:Extract

Ex*tract", v. t. [imp. & p. p. Extracted; p. pr. & vb. n. Extracting.] Etym: [L. extractus, p. p. of extrahere to extract; ex out + trahere to draw. See Trace, and cf. Estreat.]

1. To draw out or forth; to pull out; to remove forcibly from a fixed position, as by traction or suction, etc.; as, to extract a tooth from its socket, a stump from the earth, a splinter from the finger. The bee Sits on the bloom extracting liquid sweet. Milton.

2. To withdraw by expression, distillation, or other mechanical or chemical process; as, to extract an essence. Cf. Abstract, v. t., 6. Sunbeams may be extracted from cucumbers, but the process is tedious.

3. To take by selection; to choose out; to cite or quote, as a passage from a book. I have extracted out of that pamphlet a few notorious falsehoods. Swift. To extract the root (Math.), to ascertain the root of a number or quantity.

extract Ex"tract`, n.

1. That which is extracted or drawn out.

2. A portion of a book or document, separately transcribed; a citation; a quotation.

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.)

Defn: 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.)

Defn: 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)

Defn: 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.