noun a device that makes a buzzing sound, especially an electrical device that sounds an alarm or signals the end of a period of time
In technology, a buzzer is a signaling device that produces a buzzing sound to alert or indicate something, such as a notification or alarm.
In sports such as basketball or quiz bowl, a buzzer is used to signal the end of a game or to signal that a player has buzzed in to answer a question.
In electronics, a buzzer is a type of transducer that produces sound when an electrical signal of a specific frequency is applied.
In security systems, a buzzer may be used as an audible alarm to alert of a breach or unauthorized entry.
In game shows, a buzzer is often used to signal when a contestant can answer a question or to indicate a wrong answer.
In a writing context, 'buzzer' may refer to a device that signals the end of a timed writing session or a tool used for generating random writing prompts.
Psychologists may use 'buzzer' as a metaphor for interrupting negative thought patterns or behaviors in therapy sessions.
A game show host may use a 'buzzer' to signal when a contestant has given an incorrect answer or when time is up for a particular round.
In sports, a 'buzzer' is used to signal the end of a period or game, or to indicate a shot clock violation in basketball.