defocus

/diหหˆfษ™สŠkษ™s/

IPA: /D IH0 F OW1 K AH0 S/

noun
  1. 1

    The process of going out of focus.

verb
  1. 1

    To cause (a lens, or a beam of light or particles, etc.) to be out of focus.

Source: https://en.wiktionary.org/wiki/defocus