dithering

/D IH1 DH ER0 IH0 NG/
verb
  1. 1

    To tremble, shake, or shiver with cold.

  2. 2

    To be uncertain or unable to make a decision about doing something.

  3. 3

    To do something nervously.

  4. 4

    To render an approximation of (an image, etc.) by using dot patterns to approximate (the features of) colors not in the system palette.

  5. 5

    To intentionally add noise to a signal to randomize errors.

noun
  1. 1

    The act of one who dithers.

Source: https://en.wiktionary.org/wiki/dither, https://en.wiktionary.org/wiki/dithering