microfocus
/ˈmʌɪkrə(ʊ)ˌfəʊkəs/adjective
Capable of being focused on a very small area; specifically (of an X-ray tube or other radiation source) having a very small focal spot (typically a few microns in diameter).
noun
A small (often microscopic) centre of infection or disease, especially in a culture, tissue, or organ.
Origin
1950s; earliest use found in Science. From micro- + focus.
- impersonal
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