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.) 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.
{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.
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.