ultrafine

/ˌʌltrəˈfaɪn/
adjective
  1. Extremely small or fine in texture, size, or particle.
    • Ultrafine dust particles can be harmful if inhaled over a long time.
    • This coffee is ground to an ultrafine powder for a rich espresso.
    • The artist used an ultrafine brush to paint the tiny details.
  2. Very precise or detailed; involving a very high level of refinement.
    • The watchmaker's ultrafine adjustments made the clock run perfectly.
    • She has an ultrafine sense of taste and can detect the smallest flavors.
    • The new microscope allows scientists to see ultrafine structures in cells.
Antonyms
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