defocus.
To cause (a lens, or a beam of light or particles, etc.) to be out of focus.
Meaning & usage
To cause (a lens, or a beam of light or particles, etc.) to be out of focus.
Where this word comes from
Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē-der. English de- English focus English defocus From de- + focus.
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.
Where this word comes from
Etymology tree Proto-Indo-European *de Proto-Indo-European *-h₁ Proto-Indo-European *déh₁ Proto-Italic *dē Latin dē Latin dē-der. English de- English focus English defocus From de- + focus.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.