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English
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defocus

|de/fo/cus|

B2

🇺🇸

/diˈfoʊkəs/

🇬🇧

/diˈfəʊkəs/

remove focus

Etymology
Etymology Information

'defocus' originates from the prefix 'de-' meaning 'reverse' or 'remove' and 'focus' from Latin 'focus' meaning 'hearth' or 'fireplace'.

Historical Evolution

'focus' was adopted into English from Latin, and the prefix 'de-' was added to form 'defocus'.

Meaning Changes

Initially, 'focus' referred to a central point of activity or interest, and 'defocus' evolved to mean removing that centrality or clarity.

Meanings by Part of Speech

Verb 1

to cause (a lens or an optical system) to be out of focus.

The photographer accidentally defocused the camera.

Synonyms

blurunfocus

Antonyms

focussharpen

Verb 2

to lose concentration or attention.

He tends to defocus during long meetings.

Synonyms

distractdivert

Antonyms

concentratefocus

Examples

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Idioms

out of focus

Last updated: 2025/01/31 06:51