chronograph

/'krɔnəgrɑ:f/

Thân thiện

The runner starts the chronograph on his wristwatch to time the race.

Definition

Noun: 1. A precise instrument for measuring and recording time intervals: A chronograph is a specific type of watch or clock that includes a stopwatch function, allowing the user to measure elapsed time independently of the main timekeeping display. It is characterized by its ability to start, stop, and reset a timing mechanism via pushers. 2. A device for making a graphical record of time: In a broader historical or scientific context, a chronograph can refer to any instrument that records time measurements, often graphically, such as on a moving paper chart.

Usage Examples

• The pilot used the chronograph on his wristwatch to time the flight leg.
• This antique chronograph from the 1920s was used in early motor racing.
• The laboratory's chronograph provided an accurate record of the experiment's duration.

Advanced Usage

• "Flyback chronograph": A sophisticated type of chronograph where the timing hand can be instantly reset and restarted with a single push of a button, useful for timing consecutive events.
• "Split-seconds chronograph" (or "Rattrapante"): A complex chronograph with two superimposed seconds hands, allowing the timing of intermediate intervals or multiple competitors.

Variants and Related Words

• Chronography (n): The art or process of measuring and recording time.
• Chronometer (n): A highly accurate timekeeping instrument, especially one used for navigation. While all chronometers are precise, not all have the stopwatch (chronograph) function.
• Tachymeter (n): A scale often found on the bezel of a chronograph watch used to measure speed based on travel time.

Synonyms

• Stopwatch
• Timer
• Timekeeper

Related Phrases

• Chronograph function: Refers specifically to the stopwatch feature on a watch.
• To operate the chronograph: The action of starting, stopping, and resetting the timing mechanism.

Học thuật

Noun

1. an accurate timer for recording time