The definitions used in this glossary of terminology either have been provided by the authors of the articles, or have been extracted wholly or in part, or paraphrased from the following sources: The American Medical Association Encyclopedia of Medicine, Charles B. Clayman, MD, Medical Editor, Random House, New York, 1989; Biotechnology from A to Z, 2d Edition, William Bains, Oxford University Press, New York, New York, 2002; A Dictionary of Genetics, 6th Edition, Robert C. King and William D. Stansfield, Oxford University Press, New York, New York, 2002; Dorland's Illustrated Medical Dictionary, 29th and 30th Editions, W. B. Saunders Company, Philadelphia, 2000, 2003; Genes VII, Benjamin Lewin, Oxford University Press, New York, New York, 2000; The Gale Encyclopedia of Genetic Disorders, Volumes I and II, Stacey L. Blachford, Ed., Thomson Learning, New York, New York, 2002; The Merriam-Webster Dictionary, Merriam-Webster, Inc., Springfield, Massachusetts, 1997; Molecular Biology of the Cell, 3rd Edition, Bruce Alberts, et al., Garland Publishing, 1994; The Random House Dictionary of the English Language, Unabridged Edition, 1966; Webster's Ninth New Collegiate Dictionary, 1991.

DEFINITION:

sound

1. A pressure wave that propagates through an elastic medium, which may be a gas, liquid, or solid; waves with a frequency between 20 and 20,000 Hz provide the stimulus for the subjective sensation of hearing.

2. The effect produced on the organ of hearing and its central connections by the vibrations of air or some other medium.

3. A noise, normal or abnormal, heard within the body.

4. An instrument to be introduced into a cavity to detect a foreign body or to dilate a stricture.

5. Not diseased or sickly.

6. Free from flaw or defect.

7. Firm, strong.

8. Legal, valid.

9. Thorough.

10. Undisturbed.

11. Showing good judgment.

12. A musical style.

13. To make or cause to make a sound.

14. To order or proclaim by a sound (e.g., sound the alarm).

15. To convey a certain impression; seem.

16. To examine the condition of by causing to give out sounds.

17. A long passage of water wider than a straight often connecting two larger bodies of water.

18. To measure the depth of (water) especially by a weighted line dropped from the surface; fathom.

19. To dive down suddenly.

20. Probe.