logarithm

IPA/ˈlɒɡərɪðəm/
KK[lˈɑɡɚˌɪðəm]IPA/ˈlɔːɡərɪðəm/

logarithm — 名詞

  • logarithmsingular
  • logarithmsplural

1. a number that tells you what power a base must be raised to in order to make ano

1.名詞C1
釋義

對數

表示底數需乘幾次的數值

a number that tells you what power a base must be raised to in order to make another number.

例句

In class, Roya showed that the logarithm of 100 is 2 in base 10.

課堂上，Roya 說明了 100 在底數 10 下的對數是 2。

pattern: logarithm of X in base 10

On the worksheet, Liam had to find the logarithm of 64 to base 2.

在作業單上，Liam 得找出 64 在底數 2 下的對數。

pattern: logarithm of X to base Y

常見搭配
  • natural logarithm
  • common logarithm
  • logarithm table
  • find the logarithm
同義詞
  • log

    an informal short form often used in formulas, textbooks, and computing

  • log value

    a technical phrase for the numerical result rather than the full concept

文法句型

the logarithm of [number]

the logarithm of [number] to base [number]

natural/common logarithm

用法筆記

Usually appears in maths or science contexts with a base named directly or understood from context. Distinguish from an exponent: the exponent is the power written in an expression, while the logarithm is the power you need to reach a chosen number.

常見錯誤

The logarithm of 100 to base 10 is 100.
The logarithm of 100 to base 10 is 2.
the logarithm is the power you need, not the original number.

同根字

常見搭配

名詞搭配

副詞搭配

常用片語

  • the logarithm of X
  • to base 10
  • natural logarithm
  • common logarithm

介系詞搭配