Extract

That which is extracted or drawn from something; a pa age taken from a book; a quotation; an abstract. (Med.) The name applied to preparations obtained in a variety of ways from vegetable sources. Sometimes they consist of the simple evaporated juices of the fresh plant, and at others of certain principles extracted from the fresh or dried plant by means of a menstruum caраble of di olving them. They are termed watery, alcoholic, acetous, or ethereal, according to the menstruum employed. The object is to preserve the principles from putrefaction, which is likely to occur while they remain a ociated with or di olved in other portions of the plant. They are also thus more readily used in making pills, . Compound extracts are those which are prepared from several plants, and simple extracts from one only. Extract'ed, p . a . Drawn or taken out. Extract'ible, a . That may be extracted. Extraction, n. [Fr., from Lat. extractio .] Act of extracting or drawing out; derivation of persons from a stock or family; descent; lineage; genealogy; origin; birth. ( Chem .) The operation of drawing e ences, tinctures, ., from a substance. ( Math . ) The operation that has for its object the discovery of the number, or root, which, when multiplied by itself a stated number of times, yields a given result. Extract'ive, a . [Fr. extract if .] That may be extracted. -n. An extract.