enhancer
n. B2 Upper Intermediate US //ɛnˈhænsɝ// UK //ɛnhˈɑːnsɐ// en·hancer
n. a substance or tool that makes something better, stronger, or more effective. You use it to improve a specific quality or result.
n. a substance or device that increases the effectiveness, strength, or quality of something else. Often used in technical contexts to describe additives that improve performance or appearance.
The new software is a great enhancer for productivity.
The chef added a small amount of citrus juice to the sauce to act as a flavor enhancer.
In digital signal processing, a noise enhancer is used to amplify the desired frequencies while suppressing background interference to improve the clarity of the audio.
From enhance + -er.