ultrafine
adjective
ul·tra·fine
| \ ˌəl-trə-ˈfīn
\
\
Definition of ultrafine
: fine to an extreme degree: such as
a
: extremely small, thin, or precise
ultrafine dust particles an ultrafine needle Color "curves," meanwhile, allow ultrafine adjustments and targeting of color and brightness ranges …— Alexander Breindel
b
: of extremely high quality
ultrafine wines
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