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Search Result for "extractive principle":

The Collaborative International Dictionary of English v.0.48:

Extract \Ex"tract`\, 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. Extractable