Meanings
plural natural logarithms
- mathematicsThe logarithm in base e: either the function that given x returns y such that eʸ = x, or the value of y given by the function.
The natural logarithm can be used to integrate ¹⁄ₓ.
Synonyms: hyperbolic logarithm, ln, Naperian logarithm, Napierian logarithm
Synonyms & antonyms
nounThe logarithm in base e: either the function that given x returns y such that eʸ = x, or the value of y given by the function.
More synonyms by meaning
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
From New Latin logarithmus nātūrālis, coined in 1668 by Nicholas Mercator in his book Logarithmo-technica.
Full word history & related roots →Translations
Afrikaans natuurlike logaritme
- natuurlike logaritmelogarithm in base e
Arabic لوغاريتم طبيعي
- لوغاريتم طبيعيlogarithm in base e
Bulgarian естествен логаритъм
- естествен логаритъм (estestven logarităm)logarithm in base e
Catalan logaritme natural
- logaritme naturallogarithm in base e
Chinese Mandarin 自然對數 /自然对数
- 自然對數 /自然对数 (zìrán duìshù)logarithm in base e
Czech přirozený logaritmus
- přirozený logaritmuslogarithm in base e
Danish naturlig logaritme
- naturlig logaritmelogarithm in base e
Dutch natuurlijke logaritme
- natuurlijke logaritmelogarithm in base e
Estonian naturaallogaritm
- naturaallogaritmlogarithm in base e
Finnish luonnollinen logaritmi
- luonnollinen logaritmilogarithm in base e
French logarithme naturel, logarithme népérien
- logarithme naturellogarithm in base e
- logarithme népérienlogarithm in base e
German natürlicher Logarithmus
- natürlicher Logarithmuslogarithm in base e
Greek φυσικός λογάριθμος
- φυσικός λογάριθμος (fysikós logárithmos)logarithm in base e
Hebrew לוגריתם טבעי
- לוגריתם טבעיlogarithm in base e
Hindi प्राकृतिक लघुगणक
- प्राकृतिक लघुगणक (prākŕtik laghugṇak)logarithm in base e
Hungarian természetes alapú logaritmus
- természetes alapú logaritmuslogarithm in base e
Icelandic náttúrlegur logri
- náttúrlegur logrilogarithm in base e
Italian logaritmo naturale
- logaritmo naturalelogarithm in base e
Japanese 自然対数
- 自然対数 (shizen-taisū)logarithm in base e
Korean 자연로그
- 자연로그 (jayeollogeu)logarithm in base e
Latvian naturālais logaritms
- naturālais logaritmslogarithm in base e
Lithuanian natūrinis logaritmas
- natūrinis logaritmaslogarithm in base e
Norwegian naturlig logaritme
- naturlig logaritmelogarithm in base e
Persian لگاریتم طبیعی
- لگاریتم طبیعیlogarithm in base e
Polish logarytm naturalny
- logarytm naturalnylogarithm in base e
Portuguese logaritmo natural
- logaritmo naturallogarithm in base e
Romanian logaritm natural
- logaritm naturallogarithm in base e
Russian натура́льный логари́фм
- натура́льный логари́фм (naturálʹnyj logarífm)logarithm in base e
Spanish logaritmo natural
- logaritmo naturallogarithm in base e
Swedish naturliga logaritmen
- naturliga logaritmenlogarithm in base e
Tagalog likas na logpaulit
- likas na logpaulitlogarithm in base e
Tamil இயல் மடக்கை
- இயல் மடக்கை (iyal maṭakkai)logarithm in base e
Thai ลอการิทึมธรรมชาติ
- ลอการิทึมธรรมชาติlogarithm in base e
Ukrainian натуральний логарифм
- натуральний логарифм (naturalʹnyj loharyfm)logarithm in base e
Urdu قدرتی لاگرتھم
- قدرتی لاگرتھمlogarithm in base e
Cite this entry
natural logarithm. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/natural%20logarithm
“natural logarithm.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/natural%20logarithm. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “natural logarithm,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/natural%20logarithm.
Source: natural logarithm on Wiktionary, CC BY-SA 4.0.