—v.ik-strakt' or, esp. for 5, ek'strakt;
1. to get, pull, or draw out, usually with special effort, skill, or force: to extract a tooth.
2. to deduce (a doctrine, principle, interpretation, etc.): He extracted a completely personal meaning from what was said.
3. to derive or obtain (pleasure, comfort, etc.) from a particular source: He extracted satisfaction from the success of his sons.
4. to take or copy out (matter), as from a book.
5. to make excerpts from (a book, pamphlet, etc.).
6. to extort (information, money, etc.): to extract a secret from someone.
7. to separate or obtain (a juice, ingredient, etc.) from a mixture by pressure, distillation, treatment with solvents, or the like.
a. to determine (the root of a quantity that has a single root).
b. to determine (a root of a quantity that has multiple roots).
1. something extracted.
2. a passage taken from a book, article, etc.; excerpt; quotation.
3. a solution or preparation containing the active principles of a drug, plant juice, or the like; concentrated solution: vanilla extract.
4. a solid, viscid, or liquid substance extracted from a plant, drug, or the like, containing its essence in concentrated form: beef extract.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.