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Describing any optical device or process involving a dimension shorter than that of the diffraction limit of the light involved.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- English diffraction English subdiffraction From sub- + diffraction.