Definition of "hyperbolic logarithm" []

• See Logarithm. (adjective)
• A logarithm (devised by John Speidell, 1619) of which the base is e (2.718281828459045...); -- so called from Napier, the inventor of logarithms. (noun)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)