timer
/'taimə/
Học thuậtThân thiện
Definition
- Noun:
- A device that measures and signals the end of a set time interval: A "timer" is a mechanism, often part of a clock or a separate device, used to measure a specific period and indicate when it has finished, typically with a sound or signal.
- A regulator for automatic activation/deactivation: A "timer" can be a switch or controller that automatically turns a mechanism on or off at predetermined times.
- An official timekeeper in sports: In sports contexts, a "timer" is the person responsible for accurately measuring and recording the duration of an event or its segments.
Usage and Examples
- As a device:
- Set the kitchen timer for 10 minutes so the cookies don't burn.
- The lights are connected to a timer that turns them on at dusk.
- As a person:
- The timer signaled the end of the boxing round with a bell.
- As the official timer, her job is to start and stop the clock precisely.
Advanced Usage
- "Egg timer": A small timer, traditionally a sandglass, used specifically for timing the boiling of eggs.
- I use a digital egg timer to get my soft-boiled eggs just right.
- "To beat the timer": To finish a task just before a time limit expires.
- The racer beat the timer by one hundredth of a second.
Variants and Related Words
- Time (verb/noun): The root word, referring to the measurement or instance of duration.
- Timing (noun): The selection or regulation of when something happens.
- His timing was perfect when he entered the market.
Synonyms
- Chronometer: A precise time-measuring instrument.
- Stopwatch: A handheld timepiece for measuring intervals.
- Controller: A device that regulates operation (for the automatic switch sense).
Related Phrases and Compounds
- Timer switch: A switch operated by a timing mechanism.
- We installed a timer switch for the porch light.
- Self-timer (on a camera): A mechanism that delays the shutter release, allowing the photographer to be in the picture.
- Use the self-timer to take a group photo with everyone in it.
Idioms and Figurative Use
- "On a timer": Behaving or operating as if under strict time constraints; often implying rushed or mechanical action.
- Since the baby was born, they feel like they are on a timer for every meal.
Noun
- a regulator that activates or deactivates a mechanism at set times
- (sports) an official who keeps track of the time elapsed
- a timepiece that measures a time interval and signals its end