defocus

UK/diːˈfəʊkəs/US/diˈfoʊkəs/

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

Verb

defocus (third-person singular simple present defocuses or defocusses, present participle defocusing or defocussing, simple past and past participle defocused or defocussed)

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

defocus (uncountable)

The process of going out of focus.
The distance by which the focal point is in front of (positive defocus) or beyond (negative defocus) the image or target surface.
- Fundamental to the concept of recovering the depth by measuring defocus is the relationship between the focused and the defocused images of a scene.2012, Subhasis Chaudhuri, A. N. Rajagopalan, Depth From Defocus: A Real Aperture Imaging Approach, page 16

ফোকাসের বাইরে যাওয়ার প্রক্রিয়া

third-person singular present	defocuses
third-person singular present	defocusses
present participle	defocusing
present participle	defocussing
past participle	defocused
past	defocused
past participle	defocussed
past	defocussed

From de- + focus.

What does defocus mean?: Defocus means to cause (a lens, or a beam of light or particles, etc.) to be out of focus.
What is defocus in Bengali?: Defocus in Bengali is ফোকাসের বাইরে যাওয়ার প্রক্রিয়া. See Defocus meaning in Bengali.
What part of speech is defocus?: Defocus can be a verb or a noun.
How do you pronounce defocus?: Defocus is pronounced /diːˈfəʊkəs/ (UK).
What is the past tense of defocus?: The past tense of defocus is defocused.

Adapted from Wiktionary: defocus (page history and authors); defocus (Bengali Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this entry: “defocus.” Word.ws, https://word.ws/defocus. Based on Wiktionary, CC BY-SA 4.0.