| Subject | English | Thesaurus |
| abbr., oil | base of the natural logarithm | e (2.7182) |
| abbr. | common logarithm | lg |
| abbr., IT | common logarithm | log |
| med. | common logarithm | A mathematical term used to describe changes in viral load (HIV RNA). For example, if the viral load is 20,000 copies/mL, then a 1-log increase equals a 10-fold (10 times) increase, or 200,000 copies/mL. A 2-log increase equals a 100-fold increase, or 2,000,000 copies/mL. |
| sec.sys., abbr. | Elliptic Curve Discrete Logarithm | ECDL |
| physiol., abbr. | Logarithm Digitalis | LD |
| abbr., opt. | logarithm to the base 10 | log |
| abbr., opt. | logarithm to the base e | ln |
| abbr. | natural logarithm | ln |