base
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:
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1. The main ingredient of a compound.
2. In chemistry, the nonacid part of a salt; a substance that combines with acids to form salts; a substance that dissociates to give hydroxide ions in aqueous solutions; a substance whose molecule or ion can combine with a proton (hydrogen ion); a substance capable of donating a pair of electrons (to an acid) for the formation of a coordinate covalent bond.
3. In genetics, a nucleotide, particularly one in a nucleic acid sequence.
4. Indicating the bottom of an organ or other object.
5. Foundation.
6. A side or face on which a geometrical figure stands; also, the length of a base.
7. The point of beginning an act or operation.
8. A place on which a force depends for supplies.
9. A number (as 5 in 57) that is raised to a power; especially, a number that when raised to a power equal to the logarithm of a number yields the number itself (the logarithm of 100 to ~ 10 is 2 since 102 = 100).
10. The number of units in a given digit's place of a number system that is required to give the numeral 1 in the next higher place (the decimal system uses a ~ of 10); also, such a system using an indicated base (convert from ~ 10 to ~ 2).
11. Any of the four stations at the corners of a baseball diamond.
12. To form or serve as a base for.
13. Establish.
14. Of inferior quality; debased, alloyed.
15. Contemptible, ignoble.
16. Menial, degrading.
17. Of little value.
Used in 7 Article abstracts
Used in 7 Article abstracts