Definition

Noun: 1. A book in which the log is written: An official, chronological record of events, details, or operations, especially one kept on a ship, aircraft, or vehicle. It serves as a legal and operational document.

Usage

A logbook is used to systematically record specific information over time. Its primary function is to provide an accurate, verifiable history. - It is commonly associated with recording a ship's progress, an aircraft's journey, or a vehicle's maintenance and trips. - It can also refer to a book for recording official events or details in other contexts, such as a radio operator's log or a scientific experiment log.

Examples

• The captain entered the ship's position and weather conditions into the logbook.
• According to the aircraft's logbook, the engine was serviced last month.
• The scientist kept a detailed logbook of all experimental observations.

Advanced Usage

• "To keep a logbook": The act of maintaining such a record.
  • All commercial pilots are required to keep a meticulous logbook of their flight hours.
• Figurative Use: Sometimes used metaphorically to refer to any detailed personal record.
  • Think of your career portfolio as a logbook of your professional achievements.

Variants and Related Words

• Log (noun/verb): The individual record entry or the act of making an entry. (e.g., ).
• Logbook entry (noun phrase): A single recorded item within a logbook.
• Journal, Record, Register: These are general synonyms for a book of regular entries.

Synonyms

• Record book
• Journal
• Register
• Log (when referring to the collective record)

Related Phrases

• Ship's logbook: Specifically refers to the logbook of a vessel.
• Maintenance logbook: A logbook dedicated to recording repairs and service.
• To sign off on the logbook: To officially approve or certify an entry.

Noun

1. a book in which the log is written