discriminator

/dɪˈskrɪmɪˌneɪtər/
noun
  1. A person who treats someone unfairly because of their group, identity, or characteristics.
    • A discriminator judges people based on their race rather than their abilities.
    • The company was sued for being a discriminator against older job applicants.
    • She refused to work for a known discriminator who paid women less than men.
  2. A device or circuit that distinguishes between different signals or frequencies.
    • The radio uses a frequency discriminator to separate the audio signal from the carrier wave.
    • A voltage discriminator helps the sensor detect whether the input is above or below a threshold.
    • Engineers installed a discriminator in the system to filter out noise from the data stream.
Synonyms