ln

IPA/ˌɛlˈɛn/
KK[lˈen]IPA/lˈeɪn/

ln — abbreviation

1. the short written form of the word lane, used after a street name in postal addr

1.縮寫A2
釋義

the short written form of the word lane, used after a street name in postal addresses

例句

The package was sent to 42 Maple Ln, near the park.

pattern: house number + <Name> Ln

Iris wrote her new address as 18 Oak Ln on the form.

address use: <Name> Ln on a form

同義詞
  • lane

    the full word, used in speech and ordinary writing

文法句型

<Name> Ln

<Name> Ln, <City>

house number + <Name> Ln

用法筆記

Used almost only in written addresses, signs, and maps. In normal speech, people read it aloud as the full word lane.

常見錯誤

❌They walked down the small Ln behind the house.
✅They walked down the small lane behind the house.
💡Ln only appears in written addresses, not in normal sentences.

2. the written symbol for the natural logarithm, the logarithm whose base is the nu

2.縮寫C1
釋義

the written symbol for the natural logarithm, the logarithm whose base is the number e (about 2.718)

例句

Hyun showed the class how to calculate ln(2) on the board.

pattern: ln(x) — function notation

To solve for time, take the ln of both sides of the equation.

common math instruction: take the ln of

同義詞
  • natural log

    the spoken short form used in classrooms

  • log base e

    a longer phrase that names the base explicitly

文法句型

ln(x)

ln <number>

take the ln of

用法筆記

Spoken aloud as 'L-N' or 'natural log'. Distinct from log, which usually means base-10 logarithm in school maths.

常見錯誤

❌Take the log of both sides' (when you need base e).
✅Take the ln of both sides.
💡ln is base e; log usually means base 10 in school exercises.