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accentuator

American  
[ak-sen-choo-ey-ter] / ækˈsɛn tʃuˌeɪ tər /

noun

  1. Electronics. a circuit or network inserted to provide less loss or greater gain to certain frequencies in an audio spectrum, as a preemphasis spectrum.

  2. a person or thing that accentuates.


Etymology

Origin of accentuator

First recorded in 1875–80; accentuate + -or 2