Amplifier: meaning, definitions and examples

Commonly used in everyday language and electronics to refer to a device that increases the power, voltage, or current of a signal.

• He bought a new amplifier for his guitar.
• The new audio system includes a high-quality amplifier.

Often used in informal contexts or consumer electronics to refer to a device that enhances signal strength, extends coverage, or increases power. It can also have a broader meaning beyond electronics.

• They installed a signal booster to get better Wi-Fi coverage throughout the house.
• The vaccine acts as a booster for your immune system.

A more technical or formal term used in scientific, medical, or highly specialized contexts to describe a device that increases the magnitude of a signal.

• The laboratory uses an amplification device to enhance the clarity of the signals.
• In advanced medical equipment, an amplification device is crucial for accurate readings.

Often used in the context of electronics and audio equipment, where it refers to a device that increases the power of a signal.

• The guitarist plugged his instrument into an amplifier before starting the concert.
• They bought a new amplifier for their home theater system.

Typically used to refer to something that improves the quality, value, or extent of another thing. Commonly used in cosmetics, food, and technology sectors.

• The makeup included a lash enhancer to make her eyes look bigger.
• They added a flavor enhancer to the dish to make it more delicious.

Mostly used in marketing, business, and biology. Refers to someone who actively supports or advances a cause or activity, or a genetic sequence that helps initiate transcription.

• The promoter organized a concert to raise funds for charity.
• In genetics, a promoter is a DNA segment that allows a gene to be transcribed.