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Word

log

noun C1
UK /lɒɡ/
US /lɔɡ/

Meanings

noun

A written or digital record of events, activities, or data, usually kept in time order.

log: A written or digital record of events, activities, or data, usually kept in time order.
noun

A thick piece of a tree trunk or large branch, especially after being cut for burning or building.

log: A thick piece of a tree trunk or large branch, especially after being cut for burning or building.
verb

To record information or an event, especially in a system or official record.

log: To record information or an event, especially in a system or official record.

Definition

A log is a written record of events, activities, or data kept over time.

A log is a record where you note what happens, when it happens, and often other details such as results or observations. People keep logs to track work, monitor systems, or document decisions. It can be kept on paper or in digital form and is usually organized by time.

Examples

  • I keep a detailed log of every experiment so I can trace unexpected results later.
  • She checked the server log to pinpoint the exact moment the outage began.
  • They asked us to log our hours carefully during the conference, even for short sessions.
  • You should update the log whenever you make a change, otherwise the timeline becomes unreliable.

Common mistake

Learners often confuse the noun and verb forms and say “make a log in the system” instead of “log it in the system” or “make an entry in the log.”