### Definition of Cologarithm

1. Noun. (mathematics) The logarithm of the reciprocal of a number (equal to the negative of the original logarithm) ¹

¹ Source: wiktionary.com

1. [n -S]

### Cologarithm Pictures

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### Lexicographical Neighbors of Cologarithm

 colocationcolocationscolocentesiscolocholecystostomycolocoliccolocolocolocolostomycolocutaneous fistulacolocynthcolocynthin colocynthiscolocynthscolocystoplastycoloenteritiscologcologarithm (current term)cologarithmscolognecologne watercologned colognescologscolohepatopexycoloileal fistulacololysiscolombardcolombardscolombiumcolombophilecolominic acid

### Literary usage of Cologarithm

Below you will find example usage of this term as found in modern and/or classical literature:

1. Numbers Universalized: An Advanced Algebra by David Martin Sensenig (1890)
"The cologarithm of a number is the logarithm of the reciprocal of the number. Thus, colog. N = log. •==. 478. Log. -^ = log. 1 - log. Jf=- log. ..."

2. Elementary Algebra by George Albert Wentworth (1906)
"Find the cologarithm corresponding to the logarithm 0.6990. The required cologarithm is 9.3010 - 10. 104. ..."

3. Plane Trigonometry and Tables by George Wentworth, David Eugene Smith (1914)
"cologarithm. The logarithm of the reciprocal of a number is called the ... Use of the cologarithm. Since to divide by a number is the same as to multiply by ..."

4. School Algebra by George Wentworth, David Eugene Smith (1913)
"cologarithm. The logarithm of the reciprocal of a number is called the ... Use of the cologarithm. Since to divide by a number is the same ..."

5. Plane and Spherical Trigonometry by George Albert Wentworth (1891)
"In order to avoid a negative mantissa in the cologarithm, ... Hence, the cologarithm of a number is found by subtracting the logarithm of the number from 10 ..."

6. Elements of Algebra by George Albert Wentworth (1886)
"IX In order to avoid a negative mantissa in the cologarithm, ... Hence, the cologarithm of a number is found by subtracting the logarithm of the number from ..."

7. Five-place Logarithmic and Trigonometric Tables by George Albert Wentworth, George Anthony Hill (1903)
"IX In order to avoid a negative mantissa in the cologarithm, ... Hence, the cologarithm of a number is found by subtracting the logarithm of the number from ..."

8. Plane and Spherical Trigonometry: And Four-place Tables of Logarithms by William Anthony Granville (1909)
"The logarithm of the reciprocal of a number is called its cologarithm (abbreviated colog). ... In order to avoid a negative mantissa in the cologarithm, ..."