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From: Webster's Revised Unabridged Dictionary (1913)

 Ex·tract v. t. [imp. & p. p. Extracted; p. pr. & vb. n. Extracting.]
 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.