log

Pronunciation

• (UK) IPA ^(key): /lɒɡ/
• (US) IPA ^(key): /lɔɡ/ or /lɑɡ/
• (Canada) IPA ^(key): /lɑɡ/

• Audio (US)

  (file)

Noun

Singular log

Plural logs

Logs

1. (countable) A log is a piece of wood that is long and round that has been cut off a tree.

   We need another log to make a nice big fire.

2. (countable) A log is a place where people or computer programs write things when they happen, and they write the date (and maybe the time) every time they write something.

   We need to keep a log of everyone going into and out of this building.

3. (countable) (mathematics) In mathematics, a log is a logarithm.

Verb

Plain form log

Third-person singular logs

Past tense logged

Past participle logged

Present participle logging

1. When people log a forest, they cut down the trees to make logs.

   There was a forest here, but it was logged a few years ago.

2. When someone logs something, they write it in a log book.

   Make sure you log that so we'll remember what time it happened.