| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| logarithm |
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| SYLLABICATION: | log·a·rithm |
| PRONUNCIATION: |  lô g -r th m, l g- |
| NOUN: | Mathematics The power to which a base, such as 10, must be raised to produce a given number. If nx = a, the logarithm of a, with n as the base, is x; symbolically, logn a = x. For example, 103 = 1,000; therefore, log10 1,000 = 3. The kinds most often used are the common logarithm (base 10), the natural logarithm (base e), and the binary logarithm (base 2). | | ETYMOLOGY: | New Latin logarithmus : Greek logos, reason, proportion; see leg- in Appendix I + Greek arithmos, number; see ar- in Appendix I. | | OTHER FORMS: | loga·rithmic (-rthmk) , loga·rithmi·cal (-m-kl) —ADJECTIVE
loga·rithmi·cal·ly —ADVERB
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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