Translation guide
The English word "log" has several distinct meanings: a piece of wood, a record of events, and a mathematical concept. This guide covers the most common Japanese equivalents for each meaning, organized by practical use.
A cut piece of a tree trunk or large branch, often used for fuel or construction.
The most common word for a log, especially one that has been stripped of branches and is ready for use.
彼は丸太を斧で割った。
He split the log with an axe.
Specifically refers to firewood; logs cut and split for burning.
冬に備えて薪をたくさん用意した。
We prepared a lot of logs for the winter.
Refers to lumber or timber, often in a more industrial or construction context.
材木が山積みになっている。
Logs are piled up high.
A written record of events, actions, or data, such as a ship's log, a diary, or a computer log.
General term for a record or log. Can be used for many types of logs, from diaries to official records.
毎日の出来事を記録に残している。
I keep a log of daily events.
Loanword from English, commonly used in IT contexts for computer logs, server logs, etc.
Specifically a daily log or journal, like a ship's log or a work diary.
Often used for a history or log of actions, like a browsing history or transaction log.
The exponent by which a base must be raised to produce a given number.
The standard mathematical term for logarithm.
対数関数のグラフを描く。
Draw a graph of the logarithmic function.
In informal or spoken math contexts, the English loanword 'log' is sometimes used, especially in phrases like 'log base 10'.
While both can be translated as 'log', 丸太 is a physical wooden log, and ログ is a record or data log. Using the wrong one can cause confusion.
丸太をコンピューターに入力する？
Input a wooden log into the computer?
Please check the server log.
Keep a ship's log.
I cleared the browser log.
Log base 10 of 2 is approximately 0.3010.