antilogarithm

[ an-ti-law-guh-rith-uhm, -rith-, -log-uh- ]

noun

, Mathematics.

1. the number of which a given number is the logarithm; antilog

antilogarithm

/ ˌæntɪˈlɒɡəˌrɪðəm /

noun

1. a number whose logarithm to a given base is a given number Often shortened toantilog

   100 is the antilogarithm of 2 to base 10

antilogarithm

/ ăn′tē-lô′gə-rĭth′əm,ăn′tī /

1. The number whose logarithm is a given number. For example, the logarithm of 1,000 (10 ³) is 3, so the antilogarithm of 3 is 1,000. In algebraic notation, if log x = y, then antilog y = x.

Derived Forms

• ˌantiˌlogaˈrithmic, adjective

Other Words From

• anti·loga·rithmic adjective

Word History and Origins

Origin of antilogarithm¹

First recorded in 1790–1800; anti- + logarithm

Example Sentences

The series is formed by successive multiplication, and any antilogarithm to a larger number of decimal places is formed from it in the same way by multiplication.

From Project Gutenberg

For a further explanation of logarithms, and for an explanation of the treatment of cases in which an antilogarithm is less than 1, see Logarithm.

From Project Gutenberg